Home / 74,132.43-102,310.08-42,306.11

Finding the Fourth Proportional to 74,132.43, 102,310.08 and 42,306.11

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Solution

The fourth proportional to 74,132.43, 102,310.08 and 42,306.11 is: 58,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,132.43 : 102,310.08 = 42,306.11 : x
  2. Step 2: Convert to fraction form
    74,132.43/102,310.08 = 42,306.11/x
  3. Step 3: Cross multiply
    74,132.43x = 102,310.08 × 42,306.11
  4. Step 4: Simplify right side
    74,132.43x = 4,328,341,573.59
  5. Step 5: Solve for x
    x = 4,328,341,573.59/74,132.43
  6. Step 6: Final answer
    x = 58,386.61

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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.