Home / 107,906.33-161,959.32-54,635.75

Finding the Fourth Proportional to 107,906.33, 161,959.32 and 54,635.75

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Solution

The fourth proportional to 107,906.33, 161,959.32 and 54,635.75 is: 82,004.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,906.33 : 161,959.32 = 54,635.75 : x
  2. Step 2: Convert to fraction form
    107,906.33/161,959.32 = 54,635.75/x
  3. Step 3: Cross multiply
    107,906.33x = 161,959.32 × 54,635.75
  4. Step 4: Simplify right side
    107,906.33x = 8,848,768,917.69
  5. Step 5: Solve for x
    x = 8,848,768,917.69/107,906.33
  6. Step 6: Final answer
    x = 82,004.17

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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.