Home / 49,721.52-68,624.22-31,815.66

Finding the Fourth Proportional to 49,721.52, 68,624.22 and 31,815.66

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Solution

The fourth proportional to 49,721.52, 68,624.22 and 31,815.66 is: 43,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,721.52 : 68,624.22 = 31,815.66 : x
  2. Step 2: Convert to fraction form
    49,721.52/68,624.22 = 31,815.66/x
  3. Step 3: Cross multiply
    49,721.52x = 68,624.22 × 31,815.66
  4. Step 4: Simplify right side
    49,721.52x = 2,183,324,851.29
  5. Step 5: Solve for x
    x = 2,183,324,851.29/49,721.52
  6. Step 6: Final answer
    x = 43,911.06

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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.