Home / 107,645.82-161,363.97-51,471.42

Finding the Fourth Proportional to 107,645.82, 161,363.97 and 51,471.42

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Solution

The fourth proportional to 107,645.82, 161,363.97 and 51,471.42 is: 77,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,645.82 : 161,363.97 = 51,471.42 : x
  2. Step 2: Convert to fraction form
    107,645.82/161,363.97 = 51,471.42/x
  3. Step 3: Cross multiply
    107,645.82x = 161,363.97 × 51,471.42
  4. Step 4: Simplify right side
    107,645.82x = 8,305,632,672.74
  5. Step 5: Solve for x
    x = 8,305,632,672.74/107,645.82
  6. Step 6: Final answer
    x = 77,157.04

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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.