Home / 74,127.38-102,295.85-42,306.53

Finding the Fourth Proportional to 74,127.38, 102,295.85 and 42,306.53

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Solution

The fourth proportional to 74,127.38, 102,295.85 and 42,306.53 is: 58,383.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,127.38 : 102,295.85 = 42,306.53 : x
  2. Step 2: Convert to fraction form
    74,127.38/102,295.85 = 42,306.53/x
  3. Step 3: Cross multiply
    74,127.38x = 102,295.85 × 42,306.53
  4. Step 4: Simplify right side
    74,127.38x = 4,327,781,723.89
  5. Step 5: Solve for x
    x = 4,327,781,723.89/74,127.38
  6. Step 6: Final answer
    x = 58,383.04

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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.