Home / 81,917.97-113,057.67-46,115.02

Finding the Fourth Proportional to 81,917.97, 113,057.67 and 46,115.02

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Solution

The fourth proportional to 81,917.97, 113,057.67 and 46,115.02 is: 63,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,917.97 : 113,057.67 = 46,115.02 : x
  2. Step 2: Convert to fraction form
    81,917.97/113,057.67 = 46,115.02/x
  3. Step 3: Cross multiply
    81,917.97x = 113,057.67 × 46,115.02
  4. Step 4: Simplify right side
    81,917.97x = 5,213,656,713.20
  5. Step 5: Solve for x
    x = 5,213,656,713.20/81,917.97
  6. Step 6: Final answer
    x = 63,644.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.