Home / 113,691.38-156,891.97-62,708.86

Finding the Fourth Proportional to 113,691.38, 156,891.97 and 62,708.86

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Solution

The fourth proportional to 113,691.38, 156,891.97 and 62,708.86 is: 86,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,691.38 : 156,891.97 = 62,708.86 : x
  2. Step 2: Convert to fraction form
    113,691.38/156,891.97 = 62,708.86/x
  3. Step 3: Cross multiply
    113,691.38x = 156,891.97 × 62,708.86
  4. Step 4: Simplify right side
    113,691.38x = 9,838,516,856.36
  5. Step 5: Solve for x
    x = 9,838,516,856.36/113,691.38
  6. Step 6: Final answer
    x = 86,537.06

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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.