Home / 54,140.69-81,211.07-29,192.49

Finding the Fourth Proportional to 54,140.69, 81,211.07 and 29,192.49

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Solution

The fourth proportional to 54,140.69, 81,211.07 and 29,192.49 is: 43,788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,140.69 : 81,211.07 = 29,192.49 : x
  2. Step 2: Convert to fraction form
    54,140.69/81,211.07 = 29,192.49/x
  3. Step 3: Cross multiply
    54,140.69x = 81,211.07 × 29,192.49
  4. Step 4: Simplify right side
    54,140.69x = 2,370,753,202.90
  5. Step 5: Solve for x
    x = 2,370,753,202.90/54,140.69
  6. Step 6: Final answer
    x = 43,788.75

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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.