Home / 66,452.12-99,691.78-27,009.16

Finding the Fourth Proportional to 66,452.12, 99,691.78 and 27,009.16

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Solution

The fourth proportional to 66,452.12, 99,691.78 and 27,009.16 is: 40,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,452.12 : 99,691.78 = 27,009.16 : x
  2. Step 2: Convert to fraction form
    66,452.12/99,691.78 = 27,009.16/x
  3. Step 3: Cross multiply
    66,452.12x = 99,691.78 × 27,009.16
  4. Step 4: Simplify right side
    66,452.12x = 2,692,591,236.70
  5. Step 5: Solve for x
    x = 2,692,591,236.70/66,452.12
  6. Step 6: Final answer
    x = 40,519.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.