Home / 68,986.26-95,184.41-40,289.63

Finding the Fourth Proportional to 68,986.26, 95,184.41 and 40,289.63

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Solution

The fourth proportional to 68,986.26, 95,184.41 and 40,289.63 is: 55,589.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,986.26 : 95,184.41 = 40,289.63 : x
  2. Step 2: Convert to fraction form
    68,986.26/95,184.41 = 40,289.63/x
  3. Step 3: Cross multiply
    68,986.26x = 95,184.41 × 40,289.63
  4. Step 4: Simplify right side
    68,986.26x = 3,834,944,340.24
  5. Step 5: Solve for x
    x = 3,834,944,340.24/68,986.26
  6. Step 6: Final answer
    x = 55,589.97

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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.