Home / 87,261.12-120,425.04-51,472.08

Finding the Fourth Proportional to 87,261.12, 120,425.04 and 51,472.08

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Solution

The fourth proportional to 87,261.12, 120,425.04 and 51,472.08 is: 71,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,261.12 : 120,425.04 = 51,472.08 : x
  2. Step 2: Convert to fraction form
    87,261.12/120,425.04 = 51,472.08/x
  3. Step 3: Cross multiply
    87,261.12x = 120,425.04 × 51,472.08
  4. Step 4: Simplify right side
    87,261.12x = 6,198,527,292.88
  5. Step 5: Solve for x
    x = 6,198,527,292.88/87,261.12
  6. Step 6: Final answer
    x = 71,034.24

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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.