Home / 83,829.27-115,732.22-55,573.23

Finding the Fourth Proportional to 83,829.27, 115,732.22 and 55,573.23

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Solution

The fourth proportional to 83,829.27, 115,732.22 and 55,573.23 is: 76,722.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,829.27 : 115,732.22 = 55,573.23 : x
  2. Step 2: Convert to fraction form
    83,829.27/115,732.22 = 55,573.23/x
  3. Step 3: Cross multiply
    83,829.27x = 115,732.22 × 55,573.23
  4. Step 4: Simplify right side
    83,829.27x = 6,431,613,002.60
  5. Step 5: Solve for x
    x = 6,431,613,002.60/83,829.27
  6. Step 6: Final answer
    x = 76,722.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.