Home / 82,486.48-123,645.20-32,546.38

Finding the Fourth Proportional to 82,486.48, 123,645.20 and 32,546.38

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Solution

The fourth proportional to 82,486.48, 123,645.20 and 32,546.38 is: 48,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,486.48 : 123,645.20 = 32,546.38 : x
  2. Step 2: Convert to fraction form
    82,486.48/123,645.20 = 32,546.38/x
  3. Step 3: Cross multiply
    82,486.48x = 123,645.20 × 32,546.38
  4. Step 4: Simplify right side
    82,486.48x = 4,024,203,664.38
  5. Step 5: Solve for x
    x = 4,024,203,664.38/82,486.48
  6. Step 6: Final answer
    x = 48,786.22

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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.