Home / 74,487.14-102,691.65-50,572.30

Finding the Fourth Proportional to 74,487.14, 102,691.65 and 50,572.30

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Solution

The fourth proportional to 74,487.14, 102,691.65 and 50,572.30 is: 69,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,487.14 : 102,691.65 = 50,572.30 : x
  2. Step 2: Convert to fraction form
    74,487.14/102,691.65 = 50,572.30/x
  3. Step 3: Cross multiply
    74,487.14x = 102,691.65 × 50,572.30
  4. Step 4: Simplify right side
    74,487.14x = 5,193,352,772.29
  5. Step 5: Solve for x
    x = 5,193,352,772.29/74,487.14
  6. Step 6: Final answer
    x = 69,721.46

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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.