Home / 80,073.20-110,489.18-45,618.24

Finding the Fourth Proportional to 80,073.20, 110,489.18 and 45,618.24

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Solution

The fourth proportional to 80,073.20, 110,489.18 and 45,618.24 is: 62,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,073.20 : 110,489.18 = 45,618.24 : x
  2. Step 2: Convert to fraction form
    80,073.20/110,489.18 = 45,618.24/x
  3. Step 3: Cross multiply
    80,073.20x = 110,489.18 × 45,618.24
  4. Step 4: Simplify right side
    80,073.20x = 5,040,321,930.64
  5. Step 5: Solve for x
    x = 5,040,321,930.64/80,073.20
  6. Step 6: Final answer
    x = 62,946.43

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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.