Home / 87,760.59-131,651.88-28,580.37

Finding the Fourth Proportional to 87,760.59, 131,651.88 and 28,580.37

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Solution

The fourth proportional to 87,760.59, 131,651.88 and 28,580.37 is: 42,874.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,760.59 : 131,651.88 = 28,580.37 : x
  2. Step 2: Convert to fraction form
    87,760.59/131,651.88 = 28,580.37/x
  3. Step 3: Cross multiply
    87,760.59x = 131,651.88 × 28,580.37
  4. Step 4: Simplify right side
    87,760.59x = 3,762,659,441.60
  5. Step 5: Solve for x
    x = 3,762,659,441.60/87,760.59
  6. Step 6: Final answer
    x = 42,874.14

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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.