Home / 107,723.88-161,618.76-55,170.54

Finding the Fourth Proportional to 107,723.88, 161,618.76 and 55,170.54

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Solution

The fourth proportional to 107,723.88, 161,618.76 and 55,170.54 is: 82,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,723.88 : 161,618.76 = 55,170.54 : x
  2. Step 2: Convert to fraction form
    107,723.88/161,618.76 = 55,170.54/x
  3. Step 3: Cross multiply
    107,723.88x = 161,618.76 × 55,170.54
  4. Step 4: Simplify right side
    107,723.88x = 8,916,594,263.33
  5. Step 5: Solve for x
    x = 8,916,594,263.33/107,723.88
  6. Step 6: Final answer
    x = 82,772.68

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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.