Home / 107,740.08-161,431.92-55,077.12

Finding the Fourth Proportional to 107,740.08, 161,431.92 and 55,077.12

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Solution

The fourth proportional to 107,740.08, 161,431.92 and 55,077.12 is: 82,524.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,740.08 : 161,431.92 = 55,077.12 : x
  2. Step 2: Convert to fraction form
    107,740.08/161,431.92 = 55,077.12/x
  3. Step 3: Cross multiply
    107,740.08x = 161,431.92 × 55,077.12
  4. Step 4: Simplify right side
    107,740.08x = 8,891,205,229.67
  5. Step 5: Solve for x
    x = 8,891,205,229.67/107,740.08
  6. Step 6: Final answer
    x = 82,524.58

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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.