Home / 87,939.60-131,945.82-48,493.32

Finding the Fourth Proportional to 87,939.60, 131,945.82 and 48,493.32

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Solution

The fourth proportional to 87,939.60, 131,945.82 and 48,493.32 is: 72,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,939.60 : 131,945.82 = 48,493.32 : x
  2. Step 2: Convert to fraction form
    87,939.60/131,945.82 = 48,493.32/x
  3. Step 3: Cross multiply
    87,939.60x = 131,945.82 × 48,493.32
  4. Step 4: Simplify right side
    87,939.60x = 6,398,490,871.92
  5. Step 5: Solve for x
    x = 6,398,490,871.92/87,939.60
  6. Step 6: Final answer
    x = 72,760.06

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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.