Home / 82,246.20-123,369.30-32,309.70

Finding the Fourth Proportional to 82,246.20, 123,369.30 and 32,309.70

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Solution

The fourth proportional to 82,246.20, 123,369.30 and 32,309.70 is: 48,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,246.20 : 123,369.30 = 32,309.70 : x
  2. Step 2: Convert to fraction form
    82,246.20/123,369.30 = 32,309.70/x
  3. Step 3: Cross multiply
    82,246.20x = 123,369.30 × 32,309.70
  4. Step 4: Simplify right side
    82,246.20x = 3,986,025,072.21
  5. Step 5: Solve for x
    x = 3,986,025,072.21/82,246.20
  6. Step 6: Final answer
    x = 48,464.55

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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.