Home / 84,426.92-126,549.24-54,865.96

Finding the Fourth Proportional to 84,426.92, 126,549.24 and 54,865.96

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Solution

The fourth proportional to 84,426.92, 126,549.24 and 54,865.96 is: 82,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,426.92 : 126,549.24 = 54,865.96 : x
  2. Step 2: Convert to fraction form
    84,426.92/126,549.24 = 54,865.96/x
  3. Step 3: Cross multiply
    84,426.92x = 126,549.24 × 54,865.96
  4. Step 4: Simplify right side
    84,426.92x = 6,943,245,539.87
  5. Step 5: Solve for x
    x = 6,943,245,539.87/84,426.92
  6. Step 6: Final answer
    x = 82,239.71

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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.