Home / 107,964.78-148,991.66-60,221.22

Finding the Fourth Proportional to 107,964.78, 148,991.66 and 60,221.22

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Solution

The fourth proportional to 107,964.78, 148,991.66 and 60,221.22 is: 83,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,964.78 : 148,991.66 = 60,221.22 : x
  2. Step 2: Convert to fraction form
    107,964.78/148,991.66 = 60,221.22/x
  3. Step 3: Cross multiply
    107,964.78x = 148,991.66 × 60,221.22
  4. Step 4: Simplify right side
    107,964.78x = 8,972,459,233.92
  5. Step 5: Solve for x
    x = 8,972,459,233.92/107,964.78
  6. Step 6: Final answer
    x = 83,105.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.