Home / 82,481.10-123,721.65-52,932.30

Finding the Fourth Proportional to 82,481.10, 123,721.65 and 52,932.30

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Solution

The fourth proportional to 82,481.10, 123,721.65 and 52,932.30 is: 79,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,481.10 : 123,721.65 = 52,932.30 : x
  2. Step 2: Convert to fraction form
    82,481.10/123,721.65 = 52,932.30/x
  3. Step 3: Cross multiply
    82,481.10x = 123,721.65 × 52,932.30
  4. Step 4: Simplify right side
    82,481.10x = 6,548,871,494.30
  5. Step 5: Solve for x
    x = 6,548,871,494.30/82,481.10
  6. Step 6: Final answer
    x = 79,398.45

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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.