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Finding the Fourth Proportional to 80,481.68, 111,069.76 and 44,672.28

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Solution

The fourth proportional to 80,481.68, 111,069.76 and 44,672.28 is: 61,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,481.68 : 111,069.76 = 44,672.28 : x
  2. Step 2: Convert to fraction form
    80,481.68/111,069.76 = 44,672.28/x
  3. Step 3: Cross multiply
    80,481.68x = 111,069.76 × 44,672.28
  4. Step 4: Simplify right side
    80,481.68x = 4,961,739,785.33
  5. Step 5: Solve for x
    x = 4,961,739,785.33/80,481.68
  6. Step 6: Final answer
    x = 61,650.55

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1.5x scale

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.