Home / 84,634.52-126,952.22-25,469.78

Finding the Fourth Proportional to 84,634.52, 126,952.22 and 25,469.78

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Solution

The fourth proportional to 84,634.52, 126,952.22 and 25,469.78 is: 38,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,634.52 : 126,952.22 = 25,469.78 : x
  2. Step 2: Convert to fraction form
    84,634.52/126,952.22 = 25,469.78/x
  3. Step 3: Cross multiply
    84,634.52x = 126,952.22 × 25,469.78
  4. Step 4: Simplify right side
    84,634.52x = 3,233,444,542.82
  5. Step 5: Solve for x
    x = 3,233,444,542.82/84,634.52
  6. Step 6: Final answer
    x = 38,204.80

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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.