Home / 82,270.90-123,418.42-26,092.28

Finding the Fourth Proportional to 82,270.90, 123,418.42 and 26,092.28

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Solution

The fourth proportional to 82,270.90, 123,418.42 and 26,092.28 is: 39,142.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,270.90 : 123,418.42 = 26,092.28 : x
  2. Step 2: Convert to fraction form
    82,270.90/123,418.42 = 26,092.28/x
  3. Step 3: Cross multiply
    82,270.90x = 123,418.42 × 26,092.28
  4. Step 4: Simplify right side
    82,270.90x = 3,220,267,971.80
  5. Step 5: Solve for x
    x = 3,220,267,971.80/82,270.90
  6. Step 6: Final answer
    x = 39,142.25

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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.