Home / 80,000.27-110,400.72-43,702.19

Finding the Fourth Proportional to 80,000.27, 110,400.72 and 43,702.19

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Solution

The fourth proportional to 80,000.27, 110,400.72 and 43,702.19 is: 60,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,000.27 : 110,400.72 = 43,702.19 : x
  2. Step 2: Convert to fraction form
    80,000.27/110,400.72 = 43,702.19/x
  3. Step 3: Cross multiply
    80,000.27x = 110,400.72 × 43,702.19
  4. Step 4: Simplify right side
    80,000.27x = 4,824,753,241.58
  5. Step 5: Solve for x
    x = 4,824,753,241.58/80,000.27
  6. Step 6: Final answer
    x = 60,309.22

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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.