Home / 81,020.41-111,791.46-46,558.48

Finding the Fourth Proportional to 81,020.41, 111,791.46 and 46,558.48

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Solution

The fourth proportional to 81,020.41, 111,791.46 and 46,558.48 is: 64,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,020.41 : 111,791.46 = 46,558.48 : x
  2. Step 2: Convert to fraction form
    81,020.41/111,791.46 = 46,558.48/x
  3. Step 3: Cross multiply
    81,020.41x = 111,791.46 × 46,558.48
  4. Step 4: Simplify right side
    81,020.41x = 5,204,840,175.10
  5. Step 5: Solve for x
    x = 5,204,840,175.10/81,020.41
  6. Step 6: Final answer
    x = 64,241.10

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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.