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Finding the Fourth Proportional to 80,361.45, 110,901.42 and 44,554.79

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Solution

The fourth proportional to 80,361.45, 110,901.42 and 44,554.79 is: 61,487.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,361.45 : 110,901.42 = 44,554.79 : x
  2. Step 2: Convert to fraction form
    80,361.45/110,901.42 = 44,554.79/x
  3. Step 3: Cross multiply
    80,361.45x = 110,901.42 × 44,554.79
  4. Step 4: Simplify right side
    80,361.45x = 4,941,189,478.80
  5. Step 5: Solve for x
    x = 4,941,189,478.80/80,361.45
  6. Step 6: Final answer
    x = 61,487.06

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1.5x scale

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.