Home / 55,142.43-82,711.37-17,704.64

Finding the Fourth Proportional to 55,142.43, 82,711.37 and 17,704.64

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Solution

The fourth proportional to 55,142.43, 82,711.37 and 17,704.64 is: 26,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,142.43 : 82,711.37 = 17,704.64 : x
  2. Step 2: Convert to fraction form
    55,142.43/82,711.37 = 17,704.64/x
  3. Step 3: Cross multiply
    55,142.43x = 82,711.37 × 17,704.64
  4. Step 4: Simplify right side
    55,142.43x = 1,464,374,527.68
  5. Step 5: Solve for x
    x = 1,464,374,527.68/55,142.43
  6. Step 6: Final answer
    x = 26,556.22

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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.