Home / 82,249.03-123,380-26,092.34

Finding the Fourth Proportional to 82,249.03, 123,380 and 26,092.34

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Solution

The fourth proportional to 82,249.03, 123,380 and 26,092.34 is: 39,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,249.03 : 123,380 = 26,092.34 : x
  2. Step 2: Convert to fraction form
    82,249.03/123,380 = 26,092.34/x
  3. Step 3: Cross multiply
    82,249.03x = 123,380 × 26,092.34
  4. Step 4: Simplify right side
    82,249.03x = 3,219,272,909.20
  5. Step 5: Solve for x
    x = 3,219,272,909.20/82,249.03
  6. Step 6: Final answer
    x = 39,140.56

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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.