Home / 107,757.80-161,469.04-41,161.60

Finding the Fourth Proportional to 107,757.80, 161,469.04 and 41,161.60

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Solution

The fourth proportional to 107,757.80, 161,469.04 and 41,161.60 is: 61,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,757.80 : 161,469.04 = 41,161.60 : x
  2. Step 2: Convert to fraction form
    107,757.80/161,469.04 = 41,161.60/x
  3. Step 3: Cross multiply
    107,757.80x = 161,469.04 × 41,161.60
  4. Step 4: Simplify right side
    107,757.80x = 6,646,324,036.86
  5. Step 5: Solve for x
    x = 6,646,324,036.86/107,757.80
  6. Step 6: Final answer
    x = 61,678.36

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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.