Home / 66,517.40-99,716.76-24,387.64

Finding the Fourth Proportional to 66,517.40, 99,716.76 and 24,387.64

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Solution

The fourth proportional to 66,517.40, 99,716.76 and 24,387.64 is: 36,559.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,517.40 : 99,716.76 = 24,387.64 : x
  2. Step 2: Convert to fraction form
    66,517.40/99,716.76 = 24,387.64/x
  3. Step 3: Cross multiply
    66,517.40x = 99,716.76 × 24,387.64
  4. Step 4: Simplify right side
    66,517.40x = 2,431,856,660.95
  5. Step 5: Solve for x
    x = 2,431,856,660.95/66,517.40
  6. Step 6: Final answer
    x = 36,559.71

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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.