Home / 67,120.43-100,865.17-62,731.73

Finding the Fourth Proportional to 67,120.43, 100,865.17 and 62,731.73

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Solution

The fourth proportional to 67,120.43, 100,865.17 and 62,731.73 is: 94,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,120.43 : 100,865.17 = 62,731.73 : x
  2. Step 2: Convert to fraction form
    67,120.43/100,865.17 = 62,731.73/x
  3. Step 3: Cross multiply
    67,120.43x = 100,865.17 × 62,731.73
  4. Step 4: Simplify right side
    67,120.43x = 6,327,446,610.84
  5. Step 5: Solve for x
    x = 6,327,446,610.84/67,120.43
  6. Step 6: Final answer
    x = 94,270.05

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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.