Home / 68,513.04-94,546.44-40,221.36

Finding the Fourth Proportional to 68,513.04, 94,546.44 and 40,221.36

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Solution

The fourth proportional to 68,513.04, 94,546.44 and 40,221.36 is: 55,504.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,513.04 : 94,546.44 = 40,221.36 : x
  2. Step 2: Convert to fraction form
    68,513.04/94,546.44 = 40,221.36/x
  3. Step 3: Cross multiply
    68,513.04x = 94,546.44 × 40,221.36
  4. Step 4: Simplify right side
    68,513.04x = 3,802,786,399.96
  5. Step 5: Solve for x
    x = 3,802,786,399.96/68,513.04
  6. Step 6: Final answer
    x = 55,504.56

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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.