Home / 49,784.19-68,649.44-31,879.95

Finding the Fourth Proportional to 49,784.19, 68,649.44 and 31,879.95

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Solution

The fourth proportional to 49,784.19, 68,649.44 and 31,879.95 is: 43,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,784.19 : 68,649.44 = 31,879.95 : x
  2. Step 2: Convert to fraction form
    49,784.19/68,649.44 = 31,879.95/x
  3. Step 3: Cross multiply
    49,784.19x = 68,649.44 × 31,879.95
  4. Step 4: Simplify right side
    49,784.19x = 2,188,540,555.33
  5. Step 5: Solve for x
    x = 2,188,540,555.33/49,784.19
  6. Step 6: Final answer
    x = 43,960.55

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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.