Home / 84,633.76-126,951.09-25,469.03

Finding the Fourth Proportional to 84,633.76, 126,951.09 and 25,469.03

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Solution

The fourth proportional to 84,633.76, 126,951.09 and 25,469.03 is: 38,203.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,633.76 : 126,951.09 = 25,469.03 : x
  2. Step 2: Convert to fraction form
    84,633.76/126,951.09 = 25,469.03/x
  3. Step 3: Cross multiply
    84,633.76x = 126,951.09 × 25,469.03
  4. Step 4: Simplify right side
    84,633.76x = 3,233,321,119.74
  5. Step 5: Solve for x
    x = 3,233,321,119.74/84,633.76
  6. Step 6: Final answer
    x = 38,203.68

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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.