Home / 83,949.46-125,893.94-27,779.20

Finding the Fourth Proportional to 83,949.46, 125,893.94 and 27,779.20

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Solution

The fourth proportional to 83,949.46, 125,893.94 and 27,779.20 is: 41,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,949.46 : 125,893.94 = 27,779.20 : x
  2. Step 2: Convert to fraction form
    83,949.46/125,893.94 = 27,779.20/x
  3. Step 3: Cross multiply
    83,949.46x = 125,893.94 × 27,779.20
  4. Step 4: Simplify right side
    83,949.46x = 3,497,232,938.05
  5. Step 5: Solve for x
    x = 3,497,232,938.05/83,949.46
  6. Step 6: Final answer
    x = 41,658.79

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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.