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Finding the Fourth Proportional to 80,212, 110,690.96 and 44,402

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Solution

The fourth proportional to 80,212, 110,690.96 and 44,402 is: 61,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,212 : 110,690.96 = 44,402 : x
  2. Step 2: Convert to fraction form
    80,212/110,690.96 = 44,402/x
  3. Step 3: Cross multiply
    80,212x = 110,690.96 × 44,402
  4. Step 4: Simplify right side
    80,212x = 4,914,900,005.92
  5. Step 5: Solve for x
    x = 4,914,900,005.92/80,212
  6. Step 6: Final answer
    x = 61,273.87

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