Home / 87,501.35-131,272.99-28,337.13

Finding the Fourth Proportional to 87,501.35, 131,272.99 and 28,337.13

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Solution

The fourth proportional to 87,501.35, 131,272.99 and 28,337.13 is: 42,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,501.35 : 131,272.99 = 28,337.13 : x
  2. Step 2: Convert to fraction form
    87,501.35/131,272.99 = 28,337.13/x
  3. Step 3: Cross multiply
    87,501.35x = 131,272.99 × 28,337.13
  4. Step 4: Simplify right side
    87,501.35x = 3,719,899,712.28
  5. Step 5: Solve for x
    x = 3,719,899,712.28/87,501.35
  6. Step 6: Final answer
    x = 42,512.48

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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.