Home / 87,591.40-131,387.10-32,180.20

Finding the Fourth Proportional to 87,591.40, 131,387.10 and 32,180.20

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Solution

The fourth proportional to 87,591.40, 131,387.10 and 32,180.20 is: 48,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,591.40 : 131,387.10 = 32,180.20 : x
  2. Step 2: Convert to fraction form
    87,591.40/131,387.10 = 32,180.20/x
  3. Step 3: Cross multiply
    87,591.40x = 131,387.10 × 32,180.20
  4. Step 4: Simplify right side
    87,591.40x = 4,228,063,155.42
  5. Step 5: Solve for x
    x = 4,228,063,155.42/87,591.40
  6. Step 6: Final answer
    x = 48,270.30

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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.