Home / 117,691.44-162,414.48-63,976.38

Finding the Fourth Proportional to 117,691.44, 162,414.48 and 63,976.38

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Solution

The fourth proportional to 117,691.44, 162,414.48 and 63,976.38 is: 88,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,691.44 : 162,414.48 = 63,976.38 : x
  2. Step 2: Convert to fraction form
    117,691.44/162,414.48 = 63,976.38/x
  3. Step 3: Cross multiply
    117,691.44x = 162,414.48 × 63,976.38
  4. Step 4: Simplify right side
    117,691.44x = 10,390,690,489.98
  5. Step 5: Solve for x
    x = 10,390,690,489.98/117,691.44
  6. Step 6: Final answer
    x = 88,287.56

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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.