Home / 82,447.92-113,651.88-50,557.68

Finding the Fourth Proportional to 82,447.92, 113,651.88 and 50,557.68

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Solution

The fourth proportional to 82,447.92, 113,651.88 and 50,557.68 is: 69,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,447.92 : 113,651.88 = 50,557.68 : x
  2. Step 2: Convert to fraction form
    82,447.92/113,651.88 = 50,557.68/x
  3. Step 3: Cross multiply
    82,447.92x = 113,651.88 × 50,557.68
  4. Step 4: Simplify right side
    82,447.92x = 5,745,975,380.44
  5. Step 5: Solve for x
    x = 5,745,975,380.44/82,447.92
  6. Step 6: Final answer
    x = 69,692.18

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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.