Home / 107,593.11-161,241.98-68,079.49

Finding the Fourth Proportional to 107,593.11, 161,241.98 and 68,079.49

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Solution

The fourth proportional to 107,593.11, 161,241.98 and 68,079.49 is: 102,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,593.11 : 161,241.98 = 68,079.49 : x
  2. Step 2: Convert to fraction form
    107,593.11/161,241.98 = 68,079.49/x
  3. Step 3: Cross multiply
    107,593.11x = 161,241.98 × 68,079.49
  4. Step 4: Simplify right side
    107,593.11x = 10,977,271,021.49
  5. Step 5: Solve for x
    x = 10,977,271,021.49/107,593.11
  6. Step 6: Final answer
    x = 102,025.78

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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.