Home / 87,766.78-131,650.05-35,213.17

Finding the Fourth Proportional to 87,766.78, 131,650.05 and 35,213.17

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Solution

The fourth proportional to 87,766.78, 131,650.05 and 35,213.17 is: 52,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,766.78 : 131,650.05 = 35,213.17 : x
  2. Step 2: Convert to fraction form
    87,766.78/131,650.05 = 35,213.17/x
  3. Step 3: Cross multiply
    87,766.78x = 131,650.05 × 35,213.17
  4. Step 4: Simplify right side
    87,766.78x = 4,635,815,591.16
  5. Step 5: Solve for x
    x = 4,635,815,591.16/87,766.78
  6. Step 6: Final answer
    x = 52,819.71

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1.5x scale

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.