Home / 107,949.86-161,697.27-68,486.18

Finding the Fourth Proportional to 107,949.86, 161,697.27 and 68,486.18

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Solution

The fourth proportional to 107,949.86, 161,697.27 and 68,486.18 is: 102,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,949.86 : 161,697.27 = 68,486.18 : x
  2. Step 2: Convert to fraction form
    107,949.86/161,697.27 = 68,486.18/x
  3. Step 3: Cross multiply
    107,949.86x = 161,697.27 × 68,486.18
  4. Step 4: Simplify right side
    107,949.86x = 11,074,028,338.73
  5. Step 5: Solve for x
    x = 11,074,028,338.73/107,949.86
  6. Step 6: Final answer
    x = 102,584.93

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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.