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Finding the Fourth Proportional to 80,273.85, 110,672.88 and 69,063.75

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Solution

The fourth proportional to 80,273.85, 110,672.88 and 69,063.75 is: 95,217.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,273.85 : 110,672.88 = 69,063.75 : x
  2. Step 2: Convert to fraction form
    80,273.85/110,672.88 = 69,063.75/x
  3. Step 3: Cross multiply
    80,273.85x = 110,672.88 × 69,063.75
  4. Step 4: Simplify right side
    80,273.85x = 7,643,484,116.10
  5. Step 5: Solve for x
    x = 7,643,484,116.10/80,273.85
  6. Step 6: Final answer
    x = 95,217.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.