Home / 80,540.34-111,201.26-50,339.22

Finding the Fourth Proportional to 80,540.34, 111,201.26 and 50,339.22

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Solution

The fourth proportional to 80,540.34, 111,201.26 and 50,339.22 is: 69,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,540.34 : 111,201.26 = 50,339.22 : x
  2. Step 2: Convert to fraction form
    80,540.34/111,201.26 = 50,339.22/x
  3. Step 3: Cross multiply
    80,540.34x = 111,201.26 × 50,339.22
  4. Step 4: Simplify right side
    80,540.34x = 5,597,784,691.42
  5. Step 5: Solve for x
    x = 5,597,784,691.42/80,540.34
  6. Step 6: Final answer
    x = 69,502.87

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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.