Home / 87,939.73-132,086.11-52,470.26

Finding the Fourth Proportional to 87,939.73, 132,086.11 and 52,470.26

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Solution

The fourth proportional to 87,939.73, 132,086.11 and 52,470.26 is: 78,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,939.73 : 132,086.11 = 52,470.26 : x
  2. Step 2: Convert to fraction form
    87,939.73/132,086.11 = 52,470.26/x
  3. Step 3: Cross multiply
    87,939.73x = 132,086.11 × 52,470.26
  4. Step 4: Simplify right side
    87,939.73x = 6,930,593,079.17
  5. Step 5: Solve for x
    x = 6,930,593,079.17/87,939.73
  6. Step 6: Final answer
    x = 78,810.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.