Home / 87,523.60-131,350.20-57,931.60

Finding the Fourth Proportional to 87,523.60, 131,350.20 and 57,931.60

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Solution

The fourth proportional to 87,523.60, 131,350.20 and 57,931.60 is: 86,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,523.60 : 131,350.20 = 57,931.60 : x
  2. Step 2: Convert to fraction form
    87,523.60/131,350.20 = 57,931.60/x
  3. Step 3: Cross multiply
    87,523.60x = 131,350.20 × 57,931.60
  4. Step 4: Simplify right side
    87,523.60x = 7,609,327,246.32
  5. Step 5: Solve for x
    x = 7,609,327,246.32/87,523.60
  6. Step 6: Final answer
    x = 86,940.29

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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.