Home / 107,080.56-147,769.92-66,791.52

Finding the Fourth Proportional to 107,080.56, 147,769.92 and 66,791.52

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Solution

The fourth proportional to 107,080.56, 147,769.92 and 66,791.52 is: 92,171.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,080.56 : 147,769.92 = 66,791.52 : x
  2. Step 2: Convert to fraction form
    107,080.56/147,769.92 = 66,791.52/x
  3. Step 3: Cross multiply
    107,080.56x = 147,769.92 × 66,791.52
  4. Step 4: Simplify right side
    107,080.56x = 9,869,777,567.08
  5. Step 5: Solve for x
    x = 9,869,777,567.08/107,080.56
  6. Step 6: Final answer
    x = 92,171.52

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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.