Home / 91,771.14-137,641.17-25,195.83

Finding the Fourth Proportional to 91,771.14, 137,641.17 and 25,195.83

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Solution

The fourth proportional to 91,771.14, 137,641.17 and 25,195.83 is: 37,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,771.14 : 137,641.17 = 25,195.83 : x
  2. Step 2: Convert to fraction form
    91,771.14/137,641.17 = 25,195.83/x
  3. Step 3: Cross multiply
    91,771.14x = 137,641.17 × 25,195.83
  4. Step 4: Simplify right side
    91,771.14x = 3,467,983,520.32
  5. Step 5: Solve for x
    x = 3,467,983,520.32/91,771.14
  6. Step 6: Final answer
    x = 37,789.48

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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.