Home / 87,640.60-131,432.10-32,229.40

Finding the Fourth Proportional to 87,640.60, 131,432.10 and 32,229.40

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Solution

The fourth proportional to 87,640.60, 131,432.10 and 32,229.40 is: 48,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,640.60 : 131,432.10 = 32,229.40 : x
  2. Step 2: Convert to fraction form
    87,640.60/131,432.10 = 32,229.40/x
  3. Step 3: Cross multiply
    87,640.60x = 131,432.10 × 32,229.40
  4. Step 4: Simplify right side
    87,640.60x = 4,235,977,723.74
  5. Step 5: Solve for x
    x = 4,235,977,723.74/87,640.60
  6. Step 6: Final answer
    x = 48,333.51

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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.