Home / 87,629.43-131,557.14-75,229.14

Finding the Fourth Proportional to 87,629.43, 131,557.14 and 75,229.14

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Solution

The fourth proportional to 87,629.43, 131,557.14 and 75,229.14 is: 112,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,629.43 : 131,557.14 = 75,229.14 : x
  2. Step 2: Convert to fraction form
    87,629.43/131,557.14 = 75,229.14/x
  3. Step 3: Cross multiply
    87,629.43x = 131,557.14 × 75,229.14
  4. Step 4: Simplify right side
    87,629.43x = 9,896,930,503.06
  5. Step 5: Solve for x
    x = 9,896,930,503.06/87,629.43
  6. Step 6: Final answer
    x = 112,940.72

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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.