Home / 54,862.78-82,195.77-51,910.34

Finding the Fourth Proportional to 54,862.78, 82,195.77 and 51,910.34

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Solution

The fourth proportional to 54,862.78, 82,195.77 and 51,910.34 is: 77,772.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,862.78 : 82,195.77 = 51,910.34 : x
  2. Step 2: Convert to fraction form
    54,862.78/82,195.77 = 51,910.34/x
  3. Step 3: Cross multiply
    54,862.78x = 82,195.77 × 51,910.34
  4. Step 4: Simplify right side
    54,862.78x = 4,266,810,367.26
  5. Step 5: Solve for x
    x = 4,266,810,367.26/54,862.78
  6. Step 6: Final answer
    x = 77,772.41

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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.