Home / 84,287.70-126,456.92-25,123.37

Finding the Fourth Proportional to 84,287.70, 126,456.92 and 25,123.37

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Solution

The fourth proportional to 84,287.70, 126,456.92 and 25,123.37 is: 37,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,287.70 : 126,456.92 = 25,123.37 : x
  2. Step 2: Convert to fraction form
    84,287.70/126,456.92 = 25,123.37/x
  3. Step 3: Cross multiply
    84,287.70x = 126,456.92 × 25,123.37
  4. Step 4: Simplify right side
    84,287.70x = 3,177,023,990.22
  5. Step 5: Solve for x
    x = 3,177,023,990.22/84,287.70
  6. Step 6: Final answer
    x = 37,692.62

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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.