Home / 91,789.97-137,683.29-25,229.84

Finding the Fourth Proportional to 91,789.97, 137,683.29 and 25,229.84

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Solution

The fourth proportional to 91,789.97, 137,683.29 and 25,229.84 is: 37,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,789.97 : 137,683.29 = 25,229.84 : x
  2. Step 2: Convert to fraction form
    91,789.97/137,683.29 = 25,229.84/x
  3. Step 3: Cross multiply
    91,789.97x = 137,683.29 × 25,229.84
  4. Step 4: Simplify right side
    91,789.97x = 3,473,727,377.37
  5. Step 5: Solve for x
    x = 3,473,727,377.37/91,789.97
  6. Step 6: Final answer
    x = 37,844.30

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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.