Home / 87,550.20-131,325.30-32,167.80

Finding the Fourth Proportional to 87,550.20, 131,325.30 and 32,167.80

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Solution

The fourth proportional to 87,550.20, 131,325.30 and 32,167.80 is: 48,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,550.20 : 131,325.30 = 32,167.80 : x
  2. Step 2: Convert to fraction form
    87,550.20/131,325.30 = 32,167.80/x
  3. Step 3: Cross multiply
    87,550.20x = 131,325.30 × 32,167.80
  4. Step 4: Simplify right side
    87,550.20x = 4,224,445,985.34
  5. Step 5: Solve for x
    x = 4,224,445,985.34/87,550.20
  6. Step 6: Final answer
    x = 48,251.70

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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.