Home / 68,936.54-95,117.67-40,243.18

Finding the Fourth Proportional to 68,936.54, 95,117.67 and 40,243.18

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Solution

The fourth proportional to 68,936.54, 95,117.67 and 40,243.18 is: 55,526.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,936.54 : 95,117.67 = 40,243.18 : x
  2. Step 2: Convert to fraction form
    68,936.54/95,117.67 = 40,243.18/x
  3. Step 3: Cross multiply
    68,936.54x = 95,117.67 × 40,243.18
  4. Step 4: Simplify right side
    68,936.54x = 3,827,837,308.32
  5. Step 5: Solve for x
    x = 3,827,837,308.32/68,936.54
  6. Step 6: Final answer
    x = 55,526.97

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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.