Home / 107,963.37-161,945.33-55,344.15

Finding the Fourth Proportional to 107,963.37, 161,945.33 and 55,344.15

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Solution

The fourth proportional to 107,963.37, 161,945.33 and 55,344.15 is: 83,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,963.37 : 161,945.33 = 55,344.15 : x
  2. Step 2: Convert to fraction form
    107,963.37/161,945.33 = 55,344.15/x
  3. Step 3: Cross multiply
    107,963.37x = 161,945.33 × 55,344.15
  4. Step 4: Simplify right side
    107,963.37x = 8,962,726,358.60
  5. Step 5: Solve for x
    x = 8,962,726,358.60/107,963.37
  6. Step 6: Final answer
    x = 83,016.36

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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.