Home / 80,135.30-110,551.96-48,286.10

Finding the Fourth Proportional to 80,135.30, 110,551.96 and 48,286.10

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Solution

The fourth proportional to 80,135.30, 110,551.96 and 48,286.10 is: 66,613.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,135.30 : 110,551.96 = 48,286.10 : x
  2. Step 2: Convert to fraction form
    80,135.30/110,551.96 = 48,286.10/x
  3. Step 3: Cross multiply
    80,135.30x = 110,551.96 × 48,286.10
  4. Step 4: Simplify right side
    80,135.30x = 5,338,122,995.76
  5. Step 5: Solve for x
    x = 5,338,122,995.76/80,135.30
  6. Step 6: Final answer
    x = 66,613.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.