Home / 87,502.35-131,274.49-28,338.13

Finding the Fourth Proportional to 87,502.35, 131,274.49 and 28,338.13

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Solution

The fourth proportional to 87,502.35, 131,274.49 and 28,338.13 is: 42,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,502.35 : 131,274.49 = 28,338.13 : x
  2. Step 2: Convert to fraction form
    87,502.35/131,274.49 = 28,338.13/x
  3. Step 3: Cross multiply
    87,502.35x = 131,274.49 × 28,338.13
  4. Step 4: Simplify right side
    87,502.35x = 3,720,073,563.30
  5. Step 5: Solve for x
    x = 3,720,073,563.30/87,502.35
  6. Step 6: Final answer
    x = 42,513.98

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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.