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Finding the Fourth Proportional to 80,198.27, 110,671.88 and 43,899.67

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Solution

The fourth proportional to 80,198.27, 110,671.88 and 43,899.67 is: 60,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,198.27 : 110,671.88 = 43,899.67 : x
  2. Step 2: Convert to fraction form
    80,198.27/110,671.88 = 43,899.67/x
  3. Step 3: Cross multiply
    80,198.27x = 110,671.88 × 43,899.67
  4. Step 4: Simplify right side
    80,198.27x = 4,858,459,010.28
  5. Step 5: Solve for x
    x = 4,858,459,010.28/80,198.27
  6. Step 6: Final answer
    x = 60,580.60

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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.