Home / 87,755.60-131,633.28-28,591.18

Finding the Fourth Proportional to 87,755.60, 131,633.28 and 28,591.18

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Solution

The fourth proportional to 87,755.60, 131,633.28 and 28,591.18 is: 42,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,755.60 : 131,633.28 = 28,591.18 : x
  2. Step 2: Convert to fraction form
    87,755.60/131,633.28 = 28,591.18/x
  3. Step 3: Cross multiply
    87,755.60x = 131,633.28 × 28,591.18
  4. Step 4: Simplify right side
    87,755.60x = 3,763,550,473.39
  5. Step 5: Solve for x
    x = 3,763,550,473.39/87,755.60
  6. Step 6: Final answer
    x = 42,886.73

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1.5x scale

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.