Home / 88,034.04-132,049.52-81,177.26

Finding the Fourth Proportional to 88,034.04, 132,049.52 and 81,177.26

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Solution

The fourth proportional to 88,034.04, 132,049.52 and 81,177.26 is: 121,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,034.04 : 132,049.52 = 81,177.26 : x
  2. Step 2: Convert to fraction form
    88,034.04/132,049.52 = 81,177.26/x
  3. Step 3: Cross multiply
    88,034.04x = 132,049.52 × 81,177.26
  4. Step 4: Simplify right side
    88,034.04x = 10,719,418,217.92
  5. Step 5: Solve for x
    x = 10,719,418,217.92/88,034.04
  6. Step 6: Final answer
    x = 121,764.47

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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.