Home / 82,048.20-123,072.30-26,644.20

Finding the Fourth Proportional to 82,048.20, 123,072.30 and 26,644.20

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Solution

The fourth proportional to 82,048.20, 123,072.30 and 26,644.20 is: 39,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,048.20 : 123,072.30 = 26,644.20 : x
  2. Step 2: Convert to fraction form
    82,048.20/123,072.30 = 26,644.20/x
  3. Step 3: Cross multiply
    82,048.20x = 123,072.30 × 26,644.20
  4. Step 4: Simplify right side
    82,048.20x = 3,279,162,975.66
  5. Step 5: Solve for x
    x = 3,279,162,975.66/82,048.20
  6. Step 6: Final answer
    x = 39,966.30

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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.