Home / 66,179.44-91,365.33-43,584.09

Finding the Fourth Proportional to 66,179.44, 91,365.33 and 43,584.09

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Solution

The fourth proportional to 66,179.44, 91,365.33 and 43,584.09 is: 60,170.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,179.44 : 91,365.33 = 43,584.09 : x
  2. Step 2: Convert to fraction form
    66,179.44/91,365.33 = 43,584.09/x
  3. Step 3: Cross multiply
    66,179.44x = 91,365.33 × 43,584.09
  4. Step 4: Simplify right side
    66,179.44x = 3,982,074,765.60
  5. Step 5: Solve for x
    x = 3,982,074,765.60/66,179.44
  6. Step 6: Final answer
    x = 60,170.87

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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.