Home / 118,906.75-164,091.32-68,605.75

Finding the Fourth Proportional to 118,906.75, 164,091.32 and 68,605.75

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Solution

The fourth proportional to 118,906.75, 164,091.32 and 68,605.75 is: 94,675.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,906.75 : 164,091.32 = 68,605.75 : x
  2. Step 2: Convert to fraction form
    118,906.75/164,091.32 = 68,605.75/x
  3. Step 3: Cross multiply
    118,906.75x = 164,091.32 × 68,605.75
  4. Step 4: Simplify right side
    118,906.75x = 11,257,608,077.09
  5. Step 5: Solve for x
    x = 11,257,608,077.09/118,906.75
  6. Step 6: Final answer
    x = 94,675.94

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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.