Home / 87,640.28-131,464.65-24,460.28

Finding the Fourth Proportional to 87,640.28, 131,464.65 and 24,460.28

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Solution

The fourth proportional to 87,640.28, 131,464.65 and 24,460.28 is: 36,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,640.28 : 131,464.65 = 24,460.28 : x
  2. Step 2: Convert to fraction form
    87,640.28/131,464.65 = 24,460.28/x
  3. Step 3: Cross multiply
    87,640.28x = 131,464.65 × 24,460.28
  4. Step 4: Simplify right side
    87,640.28x = 3,215,662,149.10
  5. Step 5: Solve for x
    x = 3,215,662,149.10/87,640.28
  6. Step 6: Final answer
    x = 36,691.60

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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.