Home / 87,485.32-131,125.55-33,414.55

Finding the Fourth Proportional to 87,485.32, 131,125.55 and 33,414.55

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Solution

The fourth proportional to 87,485.32, 131,125.55 and 33,414.55 is: 50,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,485.32 : 131,125.55 = 33,414.55 : x
  2. Step 2: Convert to fraction form
    87,485.32/131,125.55 = 33,414.55/x
  3. Step 3: Cross multiply
    87,485.32x = 131,125.55 × 33,414.55
  4. Step 4: Simplify right side
    87,485.32x = 4,381,501,246.75
  5. Step 5: Solve for x
    x = 4,381,501,246.75/87,485.32
  6. Step 6: Final answer
    x = 50,082.70

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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.