Home / 84,912.49-117,180.26-46,671.78

Finding the Fourth Proportional to 84,912.49, 117,180.26 and 46,671.78

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Solution

The fourth proportional to 84,912.49, 117,180.26 and 46,671.78 is: 64,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,912.49 : 117,180.26 = 46,671.78 : x
  2. Step 2: Convert to fraction form
    84,912.49/117,180.26 = 46,671.78/x
  3. Step 3: Cross multiply
    84,912.49x = 117,180.26 × 46,671.78
  4. Step 4: Simplify right side
    84,912.49x = 5,469,010,890.33
  5. Step 5: Solve for x
    x = 5,469,010,890.33/84,912.49
  6. Step 6: Final answer
    x = 64,407.61

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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.