Home / 84,549.07-126,843.05-25,385.86

Finding the Fourth Proportional to 84,549.07, 126,843.05 and 25,385.86

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Solution

The fourth proportional to 84,549.07, 126,843.05 and 25,385.86 is: 38,084.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,549.07 : 126,843.05 = 25,385.86 : x
  2. Step 2: Convert to fraction form
    84,549.07/126,843.05 = 25,385.86/x
  3. Step 3: Cross multiply
    84,549.07x = 126,843.05 × 25,385.86
  4. Step 4: Simplify right side
    84,549.07x = 3,220,019,909.27
  5. Step 5: Solve for x
    x = 3,220,019,909.27/84,549.07
  6. Step 6: Final answer
    x = 38,084.63

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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.