Home / 53,863.27-74,344.41-31,198.61

Finding the Fourth Proportional to 53,863.27, 74,344.41 and 31,198.61

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Solution

The fourth proportional to 53,863.27, 74,344.41 and 31,198.61 is: 43,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,863.27 : 74,344.41 = 31,198.61 : x
  2. Step 2: Convert to fraction form
    53,863.27/74,344.41 = 31,198.61/x
  3. Step 3: Cross multiply
    53,863.27x = 74,344.41 × 31,198.61
  4. Step 4: Simplify right side
    53,863.27x = 2,319,441,828.65
  5. Step 5: Solve for x
    x = 2,319,441,828.65/53,863.27
  6. Step 6: Final answer
    x = 43,061.66

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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.