Home / 107,872.83-161,811.55-27,912.52

Finding the Fourth Proportional to 107,872.83, 161,811.55 and 27,912.52

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Solution

The fourth proportional to 107,872.83, 161,811.55 and 27,912.52 is: 41,869.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,872.83 : 161,811.55 = 27,912.52 : x
  2. Step 2: Convert to fraction form
    107,872.83/161,811.55 = 27,912.52/x
  3. Step 3: Cross multiply
    107,872.83x = 161,811.55 × 27,912.52
  4. Step 4: Simplify right side
    107,872.83x = 4,516,568,125.61
  5. Step 5: Solve for x
    x = 4,516,568,125.61/107,872.83
  6. Step 6: Final answer
    x = 41,869.38

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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.