Home / 66,049.73-91,198.53-40,591.22

Finding the Fourth Proportional to 66,049.73, 91,198.53 and 40,591.22

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Solution

The fourth proportional to 66,049.73, 91,198.53 and 40,591.22 is: 56,046.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,049.73 : 91,198.53 = 40,591.22 : x
  2. Step 2: Convert to fraction form
    66,049.73/91,198.53 = 40,591.22/x
  3. Step 3: Cross multiply
    66,049.73x = 91,198.53 × 40,591.22
  4. Step 4: Simplify right side
    66,049.73x = 3,701,859,391.95
  5. Step 5: Solve for x
    x = 3,701,859,391.95/66,049.73
  6. Step 6: Final answer
    x = 56,046.55

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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.