Home / 113,710.38-156,920.94-62,724.90

Finding the Fourth Proportional to 113,710.38, 156,920.94 and 62,724.90

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Solution

The fourth proportional to 113,710.38, 156,920.94 and 62,724.90 is: 86,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,710.38 : 156,920.94 = 62,724.90 : x
  2. Step 2: Convert to fraction form
    113,710.38/156,920.94 = 62,724.90/x
  3. Step 3: Cross multiply
    113,710.38x = 156,920.94 × 62,724.90
  4. Step 4: Simplify right side
    113,710.38x = 9,842,850,269.41
  5. Step 5: Solve for x
    x = 9,842,850,269.41/113,710.38
  6. Step 6: Final answer
    x = 86,560.70

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1.5x scale

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.