Home / 82,542.88-123,794.52-38,127.04

Finding the Fourth Proportional to 82,542.88, 123,794.52 and 38,127.04

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Solution

The fourth proportional to 82,542.88, 123,794.52 and 38,127.04 is: 57,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,542.88 : 123,794.52 = 38,127.04 : x
  2. Step 2: Convert to fraction form
    82,542.88/123,794.52 = 38,127.04/x
  3. Step 3: Cross multiply
    82,542.88x = 123,794.52 × 38,127.04
  4. Step 4: Simplify right side
    82,542.88x = 4,719,918,615.82
  5. Step 5: Solve for x
    x = 4,719,918,615.82/82,542.88
  6. Step 6: Final answer
    x = 57,181.41

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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.