Home / 62,121.56-93,182.38-20,001.61

Finding the Fourth Proportional to 62,121.56, 93,182.38 and 20,001.61

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Solution

The fourth proportional to 62,121.56, 93,182.38 and 20,001.61 is: 30,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,121.56 : 93,182.38 = 20,001.61 : x
  2. Step 2: Convert to fraction form
    62,121.56/93,182.38 = 20,001.61/x
  3. Step 3: Cross multiply
    62,121.56x = 93,182.38 × 20,001.61
  4. Step 4: Simplify right side
    62,121.56x = 1,863,797,623.63
  5. Step 5: Solve for x
    x = 1,863,797,623.63/62,121.56
  6. Step 6: Final answer
    x = 30,002.43

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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.