Home / 87,333.57-131,025.87-28,167.93

Finding the Fourth Proportional to 87,333.57, 131,025.87 and 28,167.93

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Solution

The fourth proportional to 87,333.57, 131,025.87 and 28,167.93 is: 42,260.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,333.57 : 131,025.87 = 28,167.93 : x
  2. Step 2: Convert to fraction form
    87,333.57/131,025.87 = 28,167.93/x
  3. Step 3: Cross multiply
    87,333.57x = 131,025.87 × 28,167.93
  4. Step 4: Simplify right side
    87,333.57x = 3,690,727,534.35
  5. Step 5: Solve for x
    x = 3,690,727,534.35/87,333.57
  6. Step 6: Final answer
    x = 42,260.12

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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.