Home / 107,540.28-161,309.88-27,577.89

Finding the Fourth Proportional to 107,540.28, 161,309.88 and 27,577.89

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Solution

The fourth proportional to 107,540.28, 161,309.88 and 27,577.89 is: 41,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,540.28 : 161,309.88 = 27,577.89 : x
  2. Step 2: Convert to fraction form
    107,540.28/161,309.88 = 27,577.89/x
  3. Step 3: Cross multiply
    107,540.28x = 161,309.88 × 27,577.89
  4. Step 4: Simplify right side
    107,540.28x = 4,448,586,126.55
  5. Step 5: Solve for x
    x = 4,448,586,126.55/107,540.28
  6. Step 6: Final answer
    x = 41,366.70

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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.