Home / 82,406.92-123,615.30-23,247.64

Finding the Fourth Proportional to 82,406.92, 123,615.30 and 23,247.64

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Solution

The fourth proportional to 82,406.92, 123,615.30 and 23,247.64 is: 34,872.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,406.92 : 123,615.30 = 23,247.64 : x
  2. Step 2: Convert to fraction form
    82,406.92/123,615.30 = 23,247.64/x
  3. Step 3: Cross multiply
    82,406.92x = 123,615.30 × 23,247.64
  4. Step 4: Simplify right side
    82,406.92x = 2,873,763,992.89
  5. Step 5: Solve for x
    x = 2,873,763,992.89/82,406.92
  6. Step 6: Final answer
    x = 34,872.85

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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.