Home / 55,623.25-76,760.13-30,472.75

Finding the Fourth Proportional to 55,623.25, 76,760.13 and 30,472.75

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Solution

The fourth proportional to 55,623.25, 76,760.13 and 30,472.75 is: 42,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,623.25 : 76,760.13 = 30,472.75 : x
  2. Step 2: Convert to fraction form
    55,623.25/76,760.13 = 30,472.75/x
  3. Step 3: Cross multiply
    55,623.25x = 76,760.13 × 30,472.75
  4. Step 4: Simplify right side
    55,623.25x = 2,339,092,251.46
  5. Step 5: Solve for x
    x = 2,339,092,251.46/55,623.25
  6. Step 6: Final answer
    x = 42,052.42

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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.