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Finding the Fourth Proportional to 80,068.80, 120,101.28 and 26,033.41

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Solution

The fourth proportional to 80,068.80, 120,101.28 and 26,033.41 is: 39,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,068.80 : 120,101.28 = 26,033.41 : x
  2. Step 2: Convert to fraction form
    80,068.80/120,101.28 = 26,033.41/x
  3. Step 3: Cross multiply
    80,068.80x = 120,101.28 × 26,033.41
  4. Step 4: Simplify right side
    80,068.80x = 3,126,645,863.76
  5. Step 5: Solve for x
    x = 3,126,645,863.76/80,068.80
  6. Step 6: Final answer
    x = 39,049.49

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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.