Home / 80,672.22-111,330.38-44,375.24

Finding the Fourth Proportional to 80,672.22, 111,330.38 and 44,375.24

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Solution

The fourth proportional to 80,672.22, 111,330.38 and 44,375.24 is: 61,239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,672.22 : 111,330.38 = 44,375.24 : x
  2. Step 2: Convert to fraction form
    80,672.22/111,330.38 = 44,375.24/x
  3. Step 3: Cross multiply
    80,672.22x = 111,330.38 × 44,375.24
  4. Step 4: Simplify right side
    80,672.22x = 4,940,312,721.06
  5. Step 5: Solve for x
    x = 4,940,312,721.06/80,672.22
  6. Step 6: Final answer
    x = 61,239.33

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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.