Home / 55,768.97-83,579.60-40,908.31

Finding the Fourth Proportional to 55,768.97, 83,579.60 and 40,908.31

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Solution

The fourth proportional to 55,768.97, 83,579.60 and 40,908.31 is: 61,308.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,768.97 : 83,579.60 = 40,908.31 : x
  2. Step 2: Convert to fraction form
    55,768.97/83,579.60 = 40,908.31/x
  3. Step 3: Cross multiply
    55,768.97x = 83,579.60 × 40,908.31
  4. Step 4: Simplify right side
    55,768.97x = 3,419,100,079.80
  5. Step 5: Solve for x
    x = 3,419,100,079.80/55,768.97
  6. Step 6: Final answer
    x = 61,308.29

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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.