Home / 87,938.90-131,811.15-48,524.30

Finding the Fourth Proportional to 87,938.90, 131,811.15 and 48,524.30

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Solution

The fourth proportional to 87,938.90, 131,811.15 and 48,524.30 is: 72,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,938.90 : 131,811.15 = 48,524.30 : x
  2. Step 2: Convert to fraction form
    87,938.90/131,811.15 = 48,524.30/x
  3. Step 3: Cross multiply
    87,938.90x = 131,811.15 × 48,524.30
  4. Step 4: Simplify right side
    87,938.90x = 6,396,043,785.95
  5. Step 5: Solve for x
    x = 6,396,043,785.95/87,938.90
  6. Step 6: Final answer
    x = 72,732.82

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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.