Home / 91,517.42-137,243.96-27,456.47

Finding the Fourth Proportional to 91,517.42, 137,243.96 and 27,456.47

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Solution

The fourth proportional to 91,517.42, 137,243.96 and 27,456.47 is: 41,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,517.42 : 137,243.96 = 27,456.47 : x
  2. Step 2: Convert to fraction form
    91,517.42/137,243.96 = 27,456.47/x
  3. Step 3: Cross multiply
    91,517.42x = 137,243.96 × 27,456.47
  4. Step 4: Simplify right side
    91,517.42x = 3,768,234,052.84
  5. Step 5: Solve for x
    x = 3,768,234,052.84/91,517.42
  6. Step 6: Final answer
    x = 41,175.05

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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.