Home / 67,109.82-100,669.26-22,721.42

Finding the Fourth Proportional to 67,109.82, 100,669.26 and 22,721.42

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Solution

The fourth proportional to 67,109.82, 100,669.26 and 22,721.42 is: 34,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,109.82 : 100,669.26 = 22,721.42 : x
  2. Step 2: Convert to fraction form
    67,109.82/100,669.26 = 22,721.42/x
  3. Step 3: Cross multiply
    67,109.82x = 100,669.26 × 22,721.42
  4. Step 4: Simplify right side
    67,109.82x = 2,287,348,537.55
  5. Step 5: Solve for x
    x = 2,287,348,537.55/67,109.82
  6. Step 6: Final answer
    x = 34,083.66

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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.