Home / 54,180.62-81,431.34-52,708.04

Finding the Fourth Proportional to 54,180.62, 81,431.34 and 52,708.04

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Solution

The fourth proportional to 54,180.62, 81,431.34 and 52,708.04 is: 79,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,180.62 : 81,431.34 = 52,708.04 : x
  2. Step 2: Convert to fraction form
    54,180.62/81,431.34 = 52,708.04/x
  3. Step 3: Cross multiply
    54,180.62x = 81,431.34 × 52,708.04
  4. Step 4: Simplify right side
    54,180.62x = 4,292,086,325.97
  5. Step 5: Solve for x
    x = 4,292,086,325.97/54,180.62
  6. Step 6: Final answer
    x = 79,218.11

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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.