Home / 102,768.52-141,843.44-62,473.75

Finding the Fourth Proportional to 102,768.52, 141,843.44 and 62,473.75

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Solution

The fourth proportional to 102,768.52, 141,843.44 and 62,473.75 is: 86,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,768.52 : 141,843.44 = 62,473.75 : x
  2. Step 2: Convert to fraction form
    102,768.52/141,843.44 = 62,473.75/x
  3. Step 3: Cross multiply
    102,768.52x = 141,843.44 × 62,473.75
  4. Step 4: Simplify right side
    102,768.52x = 8,861,491,609.70
  5. Step 5: Solve for x
    x = 8,861,491,609.70/102,768.52
  6. Step 6: Final answer
    x = 86,227.69

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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.