Home / 67,248.12-100,781.46-25,672.44

Finding the Fourth Proportional to 67,248.12, 100,781.46 and 25,672.44

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Solution

The fourth proportional to 67,248.12, 100,781.46 and 25,672.44 is: 38,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,248.12 : 100,781.46 = 25,672.44 : x
  2. Step 2: Convert to fraction form
    67,248.12/100,781.46 = 25,672.44/x
  3. Step 3: Cross multiply
    67,248.12x = 100,781.46 × 25,672.44
  4. Step 4: Simplify right side
    67,248.12x = 2,587,305,984.96
  5. Step 5: Solve for x
    x = 2,587,305,984.96/67,248.12
  6. Step 6: Final answer
    x = 38,474.03

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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.