Home / 87,439.08-131,158.68-37,486.92

Finding the Fourth Proportional to 87,439.08, 131,158.68 and 37,486.92

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Solution

The fourth proportional to 87,439.08, 131,158.68 and 37,486.92 is: 56,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,439.08 : 131,158.68 = 37,486.92 : x
  2. Step 2: Convert to fraction form
    87,439.08/131,158.68 = 37,486.92/x
  3. Step 3: Cross multiply
    87,439.08x = 131,158.68 × 37,486.92
  4. Step 4: Simplify right side
    87,439.08x = 4,916,734,944.47
  5. Step 5: Solve for x
    x = 4,916,734,944.47/87,439.08
  6. Step 6: Final answer
    x = 56,230.41

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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.