Home / 77,306.46-115,974.09-24,729.18

Finding the Fourth Proportional to 77,306.46, 115,974.09 and 24,729.18

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Solution

The fourth proportional to 77,306.46, 115,974.09 and 24,729.18 is: 37,098.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,306.46 : 115,974.09 = 24,729.18 : x
  2. Step 2: Convert to fraction form
    77,306.46/115,974.09 = 24,729.18/x
  3. Step 3: Cross multiply
    77,306.46x = 115,974.09 × 24,729.18
  4. Step 4: Simplify right side
    77,306.46x = 2,867,944,146.95
  5. Step 5: Solve for x
    x = 2,867,944,146.95/77,306.46
  6. Step 6: Final answer
    x = 37,098.38

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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.