Home / 81,952.33-113,099.43-49,690.04

Finding the Fourth Proportional to 81,952.33, 113,099.43 and 49,690.04

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Solution

The fourth proportional to 81,952.33, 113,099.43 and 49,690.04 is: 68,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,952.33 : 113,099.43 = 49,690.04 : x
  2. Step 2: Convert to fraction form
    81,952.33/113,099.43 = 49,690.04/x
  3. Step 3: Cross multiply
    81,952.33x = 113,099.43 × 49,690.04
  4. Step 4: Simplify right side
    81,952.33x = 5,619,915,200.68
  5. Step 5: Solve for x
    x = 5,619,915,200.68/81,952.33
  6. Step 6: Final answer
    x = 68,575.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.