Home / 113,701.38-156,908.52-62,715.90

Finding the Fourth Proportional to 113,701.38, 156,908.52 and 62,715.90

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Solution

The fourth proportional to 113,701.38, 156,908.52 and 62,715.90 is: 86,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,701.38 : 156,908.52 = 62,715.90 : x
  2. Step 2: Convert to fraction form
    113,701.38/156,908.52 = 62,715.90/x
  3. Step 3: Cross multiply
    113,701.38x = 156,908.52 × 62,715.90
  4. Step 4: Simplify right side
    113,701.38x = 9,840,659,049.47
  5. Step 5: Solve for x
    x = 9,840,659,049.47/113,701.38
  6. Step 6: Final answer
    x = 86,548.28

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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.