Home / 107,757.37-161,185.92-75,734.20

Finding the Fourth Proportional to 107,757.37, 161,185.92 and 75,734.20

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Solution

The fourth proportional to 107,757.37, 161,185.92 and 75,734.20 is: 113,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,757.37 : 161,185.92 = 75,734.20 : x
  2. Step 2: Convert to fraction form
    107,757.37/161,185.92 = 75,734.20/x
  3. Step 3: Cross multiply
    107,757.37x = 161,185.92 × 75,734.20
  4. Step 4: Simplify right side
    107,757.37x = 12,207,286,702.46
  5. Step 5: Solve for x
    x = 12,207,286,702.46/107,757.37
  6. Step 6: Final answer
    x = 113,284.94

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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.