Home / 87,195.72-120,330.12-48,949.96

Finding the Fourth Proportional to 87,195.72, 120,330.12 and 48,949.96

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Solution

The fourth proportional to 87,195.72, 120,330.12 and 48,949.96 is: 67,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,195.72 : 120,330.12 = 48,949.96 : x
  2. Step 2: Convert to fraction form
    87,195.72/120,330.12 = 48,949.96/x
  3. Step 3: Cross multiply
    87,195.72x = 120,330.12 × 48,949.96
  4. Step 4: Simplify right side
    87,195.72x = 5,890,154,560.80
  5. Step 5: Solve for x
    x = 5,890,154,560.80/87,195.72
  6. Step 6: Final answer
    x = 67,550.96

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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.