Home / 49,517.97-68,328.66-31,623.45

Finding the Fourth Proportional to 49,517.97, 68,328.66 and 31,623.45

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Solution

The fourth proportional to 49,517.97, 68,328.66 and 31,623.45 is: 43,636.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,517.97 : 68,328.66 = 31,623.45 : x
  2. Step 2: Convert to fraction form
    49,517.97/68,328.66 = 31,623.45/x
  3. Step 3: Cross multiply
    49,517.97x = 68,328.66 × 31,623.45
  4. Step 4: Simplify right side
    49,517.97x = 2,160,787,963.08
  5. Step 5: Solve for x
    x = 2,160,787,963.08/49,517.97
  6. Step 6: Final answer
    x = 43,636.44

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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.