Home / 91,932.06-137,906.03-25,372.20

Finding the Fourth Proportional to 91,932.06, 137,906.03 and 25,372.20

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Solution

The fourth proportional to 91,932.06, 137,906.03 and 25,372.20 is: 38,060.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,932.06 : 137,906.03 = 25,372.20 : x
  2. Step 2: Convert to fraction form
    91,932.06/137,906.03 = 25,372.20/x
  3. Step 3: Cross multiply
    91,932.06x = 137,906.03 × 25,372.20
  4. Step 4: Simplify right side
    91,932.06x = 3,498,979,374.37
  5. Step 5: Solve for x
    x = 3,498,979,374.37/91,932.06
  6. Step 6: Final answer
    x = 38,060.49

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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.