Home / 84,487.28-126,625.52-73,932.20

Finding the Fourth Proportional to 84,487.28, 126,625.52 and 73,932.20

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Solution

The fourth proportional to 84,487.28, 126,625.52 and 73,932.20 is: 110,806.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,487.28 : 126,625.52 = 73,932.20 : x
  2. Step 2: Convert to fraction form
    84,487.28/126,625.52 = 73,932.20/x
  3. Step 3: Cross multiply
    84,487.28x = 126,625.52 × 73,932.20
  4. Step 4: Simplify right side
    84,487.28x = 9,361,703,269.74
  5. Step 5: Solve for x
    x = 9,361,703,269.74/84,487.28
  6. Step 6: Final answer
    x = 110,806.07

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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.