Home / 80,087.28-110,520.72-43,789.44

Finding the Fourth Proportional to 80,087.28, 110,520.72 and 43,789.44

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Solution

The fourth proportional to 80,087.28, 110,520.72 and 43,789.44 is: 60,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,087.28 : 110,520.72 = 43,789.44 : x
  2. Step 2: Convert to fraction form
    80,087.28/110,520.72 = 43,789.44/x
  3. Step 3: Cross multiply
    80,087.28x = 110,520.72 × 43,789.44
  4. Step 4: Simplify right side
    80,087.28x = 4,839,640,437.20
  5. Step 5: Solve for x
    x = 4,839,640,437.20/80,087.28
  6. Step 6: Final answer
    x = 60,429.58

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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.