Home / 54,722.92-82,091.09-18,705.33

Finding the Fourth Proportional to 54,722.92, 82,091.09 and 18,705.33

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Solution

The fourth proportional to 54,722.92, 82,091.09 and 18,705.33 is: 28,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,722.92 : 82,091.09 = 18,705.33 : x
  2. Step 2: Convert to fraction form
    54,722.92/82,091.09 = 18,705.33/x
  3. Step 3: Cross multiply
    54,722.92x = 82,091.09 × 18,705.33
  4. Step 4: Simplify right side
    54,722.92x = 1,535,540,424.53
  5. Step 5: Solve for x
    x = 1,535,540,424.53/54,722.92
  6. Step 6: Final answer
    x = 28,060.28

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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.