Home / 87,485.07-131,125.17-33,414.30

Finding the Fourth Proportional to 87,485.07, 131,125.17 and 33,414.30

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Solution

The fourth proportional to 87,485.07, 131,125.17 and 33,414.30 is: 50,082.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,485.07 : 131,125.17 = 33,414.30 : x
  2. Step 2: Convert to fraction form
    87,485.07/131,125.17 = 33,414.30/x
  3. Step 3: Cross multiply
    87,485.07x = 131,125.17 × 33,414.30
  4. Step 4: Simplify right side
    87,485.07x = 4,381,455,767.93
  5. Step 5: Solve for x
    x = 4,381,455,767.93/87,485.07
  6. Step 6: Final answer
    x = 50,082.33

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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.