Home / 80,169.26-110,631.85-43,870.55

Finding the Fourth Proportional to 80,169.26, 110,631.85 and 43,870.55

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Solution

The fourth proportional to 80,169.26, 110,631.85 and 43,870.55 is: 60,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,169.26 : 110,631.85 = 43,870.55 : x
  2. Step 2: Convert to fraction form
    80,169.26/110,631.85 = 43,870.55/x
  3. Step 3: Cross multiply
    80,169.26x = 110,631.85 × 43,870.55
  4. Step 4: Simplify right side
    80,169.26x = 4,853,479,444.18
  5. Step 5: Solve for x
    x = 4,853,479,444.18/80,169.26
  6. Step 6: Final answer
    x = 60,540.40

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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.