Home / 57,942.11-79,961.31-35,282.04

Finding the Fourth Proportional to 57,942.11, 79,961.31 and 35,282.04

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Solution

The fourth proportional to 57,942.11, 79,961.31 and 35,282.04 is: 48,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,942.11 : 79,961.31 = 35,282.04 : x
  2. Step 2: Convert to fraction form
    57,942.11/79,961.31 = 35,282.04/x
  3. Step 3: Cross multiply
    57,942.11x = 79,961.31 × 35,282.04
  4. Step 4: Simplify right side
    57,942.11x = 2,821,198,137.87
  5. Step 5: Solve for x
    x = 2,821,198,137.87/57,942.11
  6. Step 6: Final answer
    x = 48,689.95

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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.