Home / 87,766.97-131,642.69-24,581.70

Finding the Fourth Proportional to 87,766.97, 131,642.69 and 24,581.70

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Solution

The fourth proportional to 87,766.97, 131,642.69 and 24,581.70 is: 36,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,766.97 : 131,642.69 = 24,581.70 : x
  2. Step 2: Convert to fraction form
    87,766.97/131,642.69 = 24,581.70/x
  3. Step 3: Cross multiply
    87,766.97x = 131,642.69 × 24,581.70
  4. Step 4: Simplify right side
    87,766.97x = 3,236,000,989.86
  5. Step 5: Solve for x
    x = 3,236,000,989.86/87,766.97
  6. Step 6: Final answer
    x = 36,870.38

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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.