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Finding the Fourth Proportional to 80,055, 110,476.31 and 43,757.21

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Solution

The fourth proportional to 80,055, 110,476.31 and 43,757.21 is: 60,385.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,055 : 110,476.31 = 43,757.21 : x
  2. Step 2: Convert to fraction form
    80,055/110,476.31 = 43,757.21/x
  3. Step 3: Cross multiply
    80,055x = 110,476.31 × 43,757.21
  4. Step 4: Simplify right side
    80,055x = 4,834,135,154.10
  5. Step 5: Solve for x
    x = 4,834,135,154.10/80,055
  6. Step 6: Final answer
    x = 60,385.17

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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.