Home / 87,348.53-120,534.35-49,102.02

Finding the Fourth Proportional to 87,348.53, 120,534.35 and 49,102.02

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Solution

The fourth proportional to 87,348.53, 120,534.35 and 49,102.02 is: 67,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,348.53 : 120,534.35 = 49,102.02 : x
  2. Step 2: Convert to fraction form
    87,348.53/120,534.35 = 49,102.02/x
  3. Step 3: Cross multiply
    87,348.53x = 120,534.35 × 49,102.02
  4. Step 4: Simplify right side
    87,348.53x = 5,918,479,818.88
  5. Step 5: Solve for x
    x = 5,918,479,818.88/87,348.53
  6. Step 6: Final answer
    x = 67,757.06

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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.