Home / 107,723.35-161,610.66-54,284.02

Finding the Fourth Proportional to 107,723.35, 161,610.66 and 54,284.02

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Solution

The fourth proportional to 107,723.35, 161,610.66 and 54,284.02 is: 81,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,723.35 : 161,610.66 = 54,284.02 : x
  2. Step 2: Convert to fraction form
    107,723.35/161,610.66 = 54,284.02/x
  3. Step 3: Cross multiply
    107,723.35x = 161,610.66 × 54,284.02
  4. Step 4: Simplify right side
    107,723.35x = 8,772,876,299.65
  5. Step 5: Solve for x
    x = 8,772,876,299.65/107,723.35
  6. Step 6: Final answer
    x = 81,438.95

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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.