Home / 81,917.80-113,046.76-46,108.32

Finding the Fourth Proportional to 81,917.80, 113,046.76 and 46,108.32

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Solution

The fourth proportional to 81,917.80, 113,046.76 and 46,108.32 is: 63,629.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,917.80 : 113,046.76 = 46,108.32 : x
  2. Step 2: Convert to fraction form
    81,917.80/113,046.76 = 46,108.32/x
  3. Step 3: Cross multiply
    81,917.80x = 113,046.76 × 46,108.32
  4. Step 4: Simplify right side
    81,917.80x = 5,212,396,185.04
  5. Step 5: Solve for x
    x = 5,212,396,185.04/81,917.80
  6. Step 6: Final answer
    x = 63,629.59

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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.