Home / 55,145.56-82,755.40-54,942.66

Finding the Fourth Proportional to 55,145.56, 82,755.40 and 54,942.66

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Solution

The fourth proportional to 55,145.56, 82,755.40 and 54,942.66 is: 82,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,145.56 : 82,755.40 = 54,942.66 : x
  2. Step 2: Convert to fraction form
    55,145.56/82,755.40 = 54,942.66/x
  3. Step 3: Cross multiply
    55,145.56x = 82,755.40 × 54,942.66
  4. Step 4: Simplify right side
    55,145.56x = 4,546,801,805.36
  5. Step 5: Solve for x
    x = 4,546,801,805.36/55,145.56
  6. Step 6: Final answer
    x = 82,450.91

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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.