Home / 107,517.15-161,256.83-40,961.27

Finding the Fourth Proportional to 107,517.15, 161,256.83 and 40,961.27

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Solution

The fourth proportional to 107,517.15, 161,256.83 and 40,961.27 is: 61,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,517.15 : 161,256.83 = 40,961.27 : x
  2. Step 2: Convert to fraction form
    107,517.15/161,256.83 = 40,961.27/x
  3. Step 3: Cross multiply
    107,517.15x = 161,256.83 × 40,961.27
  4. Step 4: Simplify right side
    107,517.15x = 6,605,284,751.31
  5. Step 5: Solve for x
    x = 6,605,284,751.31/107,517.15
  6. Step 6: Final answer
    x = 61,434.71

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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.