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Finding the Fourth Proportional to 80,361.95, 110,902.11 and 44,555.29

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Solution

The fourth proportional to 80,361.95, 110,902.11 and 44,555.29 is: 61,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,361.95 : 110,902.11 = 44,555.29 : x
  2. Step 2: Convert to fraction form
    80,361.95/110,902.11 = 44,555.29/x
  3. Step 3: Cross multiply
    80,361.95x = 110,902.11 × 44,555.29
  4. Step 4: Simplify right side
    80,361.95x = 4,941,275,672.66
  5. Step 5: Solve for x
    x = 4,941,275,672.66/80,361.95
  6. Step 6: Final answer
    x = 61,487.75

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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.