Home / 113,715.38-156,927.84-62,729.90

Finding the Fourth Proportional to 113,715.38, 156,927.84 and 62,729.90

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Solution

The fourth proportional to 113,715.38, 156,927.84 and 62,729.90 is: 86,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,715.38 : 156,927.84 = 62,729.90 : x
  2. Step 2: Convert to fraction form
    113,715.38/156,927.84 = 62,729.90/x
  3. Step 3: Cross multiply
    113,715.38x = 156,927.84 × 62,729.90
  4. Step 4: Simplify right side
    113,715.38x = 9,844,067,710.42
  5. Step 5: Solve for x
    x = 9,844,067,710.42/113,715.38
  6. Step 6: Final answer
    x = 86,567.60

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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.