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Finding the Fourth Proportional to 80,382.34, 110,928.96 and 44,573.86

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Solution

The fourth proportional to 80,382.34, 110,928.96 and 44,573.86 is: 61,512.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,382.34 : 110,928.96 = 44,573.86 : x
  2. Step 2: Convert to fraction form
    80,382.34/110,928.96 = 44,573.86/x
  3. Step 3: Cross multiply
    80,382.34x = 110,928.96 × 44,573.86
  4. Step 4: Simplify right side
    80,382.34x = 4,944,531,932.99
  5. Step 5: Solve for x
    x = 4,944,531,932.99/80,382.34
  6. Step 6: Final answer
    x = 61,512.66

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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.