Home / 107,577.38-161,218.44-68,063.76

Finding the Fourth Proportional to 107,577.38, 161,218.44 and 68,063.76

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Solution

The fourth proportional to 107,577.38, 161,218.44 and 68,063.76 is: 102,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,577.38 : 161,218.44 = 68,063.76 : x
  2. Step 2: Convert to fraction form
    107,577.38/161,218.44 = 68,063.76/x
  3. Step 3: Cross multiply
    107,577.38x = 161,218.44 × 68,063.76
  4. Step 4: Simplify right side
    107,577.38x = 10,973,132,862.60
  5. Step 5: Solve for x
    x = 10,973,132,862.60/107,577.38
  6. Step 6: Final answer
    x = 102,002.23

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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.