Home / 54,601.13-81,902.14-15,161.31

Finding the Fourth Proportional to 54,601.13, 81,902.14 and 15,161.31

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Solution

The fourth proportional to 54,601.13, 81,902.14 and 15,161.31 is: 22,742.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,601.13 : 81,902.14 = 15,161.31 : x
  2. Step 2: Convert to fraction form
    54,601.13/81,902.14 = 15,161.31/x
  3. Step 3: Cross multiply
    54,601.13x = 81,902.14 × 15,161.31
  4. Step 4: Simplify right side
    54,601.13x = 1,241,743,696.30
  5. Step 5: Solve for x
    x = 1,241,743,696.30/54,601.13
  6. Step 6: Final answer
    x = 22,742.09

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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.