Home / 83,869.48-115,614.66-55,525.96

Finding the Fourth Proportional to 83,869.48, 115,614.66 and 55,525.96

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Solution

The fourth proportional to 83,869.48, 115,614.66 and 55,525.96 is: 76,542.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,869.48 : 115,614.66 = 55,525.96 : x
  2. Step 2: Convert to fraction form
    83,869.48/115,614.66 = 55,525.96/x
  3. Step 3: Cross multiply
    83,869.48x = 115,614.66 × 55,525.96
  4. Step 4: Simplify right side
    83,869.48x = 6,419,614,986.57
  5. Step 5: Solve for x
    x = 6,419,614,986.57/83,869.48
  6. Step 6: Final answer
    x = 76,542.92

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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.