Home / 54,768.56-82,161.14-17,316.18

Finding the Fourth Proportional to 54,768.56, 82,161.14 and 17,316.18

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Solution

The fourth proportional to 54,768.56, 82,161.14 and 17,316.18 is: 25,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,768.56 : 82,161.14 = 17,316.18 : x
  2. Step 2: Convert to fraction form
    54,768.56/82,161.14 = 17,316.18/x
  3. Step 3: Cross multiply
    54,768.56x = 82,161.14 × 17,316.18
  4. Step 4: Simplify right side
    54,768.56x = 1,422,717,002.66
  5. Step 5: Solve for x
    x = 1,422,717,002.66/54,768.56
  6. Step 6: Final answer
    x = 25,976.90

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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.