Home / 49,540.48-68,367.04-28,321.72

Finding the Fourth Proportional to 49,540.48, 68,367.04 and 28,321.72

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Solution

The fourth proportional to 49,540.48, 68,367.04 and 28,321.72 is: 39,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,540.48 : 68,367.04 = 28,321.72 : x
  2. Step 2: Convert to fraction form
    49,540.48/68,367.04 = 28,321.72/x
  3. Step 3: Cross multiply
    49,540.48x = 68,367.04 × 28,321.72
  4. Step 4: Simplify right side
    49,540.48x = 1,936,272,164.11
  5. Step 5: Solve for x
    x = 1,936,272,164.11/49,540.48
  6. Step 6: Final answer
    x = 39,084.65

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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.