Home / 67,128.75-92,635.71-36,914.04

Finding the Fourth Proportional to 67,128.75, 92,635.71 and 36,914.04

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Solution

The fourth proportional to 67,128.75, 92,635.71 and 36,914.04 is: 50,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,128.75 : 92,635.71 = 36,914.04 : x
  2. Step 2: Convert to fraction form
    67,128.75/92,635.71 = 36,914.04/x
  3. Step 3: Cross multiply
    67,128.75x = 92,635.71 × 36,914.04
  4. Step 4: Simplify right side
    67,128.75x = 3,419,558,304.37
  5. Step 5: Solve for x
    x = 3,419,558,304.37/67,128.75
  6. Step 6: Final answer
    x = 50,940.29

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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.