Home / 87,337.50-120,545.22-55,500.18

Finding the Fourth Proportional to 87,337.50, 120,545.22 and 55,500.18

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Solution

The fourth proportional to 87,337.50, 120,545.22 and 55,500.18 is: 76,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,337.50 : 120,545.22 = 55,500.18 : x
  2. Step 2: Convert to fraction form
    87,337.50/120,545.22 = 55,500.18/x
  3. Step 3: Cross multiply
    87,337.50x = 120,545.22 × 55,500.18
  4. Step 4: Simplify right side
    87,337.50x = 6,690,281,408.14
  5. Step 5: Solve for x
    x = 6,690,281,408.14/87,337.50
  6. Step 6: Final answer
    x = 76,602.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.