Home / 106,910.94-147,517.20-68,677.32

Finding the Fourth Proportional to 106,910.94, 147,517.20 and 68,677.32

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Solution

The fourth proportional to 106,910.94, 147,517.20 and 68,677.32 is: 94,761.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,910.94 : 147,517.20 = 68,677.32 : x
  2. Step 2: Convert to fraction form
    106,910.94/147,517.20 = 68,677.32/x
  3. Step 3: Cross multiply
    106,910.94x = 147,517.20 × 68,677.32
  4. Step 4: Simplify right side
    106,910.94x = 10,131,085,949.90
  5. Step 5: Solve for x
    x = 10,131,085,949.90/106,910.94
  6. Step 6: Final answer
    x = 94,761.92

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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.