Home / 91,781.16-137,675.76-25,227.84

Finding the Fourth Proportional to 91,781.16, 137,675.76 and 25,227.84

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Solution

The fourth proportional to 91,781.16, 137,675.76 and 25,227.84 is: 37,842.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,781.16 : 137,675.76 = 25,227.84 : x
  2. Step 2: Convert to fraction form
    91,781.16/137,675.76 = 25,227.84/x
  3. Step 3: Cross multiply
    91,781.16x = 137,675.76 × 25,227.84
  4. Step 4: Simplify right side
    91,781.16x = 3,473,262,045.16
  5. Step 5: Solve for x
    x = 3,473,262,045.16/91,781.16
  6. Step 6: Final answer
    x = 37,842.86

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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.