Home / 87,052.81-120,098.97-64,445.92

Finding the Fourth Proportional to 87,052.81, 120,098.97 and 64,445.92

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Solution

The fourth proportional to 87,052.81, 120,098.97 and 64,445.92 is: 88,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,052.81 : 120,098.97 = 64,445.92 : x
  2. Step 2: Convert to fraction form
    87,052.81/120,098.97 = 64,445.92/x
  3. Step 3: Cross multiply
    87,052.81x = 120,098.97 × 64,445.92
  4. Step 4: Simplify right side
    87,052.81x = 7,739,888,612.70
  5. Step 5: Solve for x
    x = 7,739,888,612.70/87,052.81
  6. Step 6: Final answer
    x = 88,910.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.