Home / 126,061.78-173,962.92-68,701.56

Finding the Fourth Proportional to 126,061.78, 173,962.92 and 68,701.56

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Solution

The fourth proportional to 126,061.78, 173,962.92 and 68,701.56 is: 94,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,061.78 : 173,962.92 = 68,701.56 : x
  2. Step 2: Convert to fraction form
    126,061.78/173,962.92 = 68,701.56/x
  3. Step 3: Cross multiply
    126,061.78x = 173,962.92 × 68,701.56
  4. Step 4: Simplify right side
    126,061.78x = 11,951,523,986.16
  5. Step 5: Solve for x
    x = 11,951,523,986.16/126,061.78
  6. Step 6: Final answer
    x = 94,806.88

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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.