Musar su I Re 20:39

Rabbi Yehudah son of lla-i said that Moses originally thought that the ransom for a person's life was one talent of silver since it is written in Kings I 20,39: "it will be your life for his, or you will have to pay a talent of silver." Rabbi Yossi believes that the amount of ransom appropriate is the amount of 100 pieces of silver, and that we compare this to the case of a groom who accused his bride of not having been a virgin (Deut. 22,19). The sin of the Jewish people at the time was comparable to that of the מוציא שם רע, because the people proclaimed "These are your gods O Israel, which have taken you out of Egypt," a clear defamation of G–d's reputation. Thus, every Jew should have been required to pay 100 shekels. Rabbi Shimon ben Lakish felt, that the amount of the ransom payment should be compared to the person who has raped a young woman in Deut. 22,29 who is required to pay a ransom of 50 shekels to the father of the rape-victim. The sin of the Jewish people at the episode of the golden calf was akin to that of the rapist. We, who have been told "You shall not have any other G–d," have subjected G–d to the pain of our making another god for ourselves. It is therefore appropriate for each Jew to ransom himself to the tune of 50 shekels. Rabbi Yehudah bar Symon said that the appropriate ransom payment should be derived from the Torah's legislation dealing with the ox which has gored someone's slave and the owner of which has to pay 30 shekels to the owner of the slave who was killed (Exodus 21,32). The comparison is fitting because the Israelites demeaned themselves to be no better than the image of the ox which they worshipped. They had devalued themselves, so to speak, so that their lives were no longer worth more than 30 shekel.