Home / 74,615.04-102,968.64-42,792.48

Finding the Fourth Proportional to 74,615.04, 102,968.64 and 42,792.48

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Solution

The fourth proportional to 74,615.04, 102,968.64 and 42,792.48 is: 59,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,615.04 : 102,968.64 = 42,792.48 : x
  2. Step 2: Convert to fraction form
    74,615.04/102,968.64 = 42,792.48/x
  3. Step 3: Cross multiply
    74,615.04x = 102,968.64 × 42,792.48
  4. Step 4: Simplify right side
    74,615.04x = 4,406,283,467.83
  5. Step 5: Solve for x
    x = 4,406,283,467.83/74,615.04
  6. Step 6: Final answer
    x = 59,053.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.