Home / 107,577.57-161,218.73-68,063.94

Finding the Fourth Proportional to 107,577.57, 161,218.73 and 68,063.94

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Solution

The fourth proportional to 107,577.57, 161,218.73 and 68,063.94 is: 102,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,577.57 : 161,218.73 = 68,063.94 : x
  2. Step 2: Convert to fraction form
    107,577.57/161,218.73 = 68,063.94/x
  3. Step 3: Cross multiply
    107,577.57x = 161,218.73 × 68,063.94
  4. Step 4: Simplify right side
    107,577.57x = 10,973,182,229.85
  5. Step 5: Solve for x
    x = 10,973,182,229.85/107,577.57
  6. Step 6: Final answer
    x = 102,002.51

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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.