Home / 68,371.50-94,356.36-40,086.30

Finding the Fourth Proportional to 68,371.50, 94,356.36 and 40,086.30

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Solution

The fourth proportional to 68,371.50, 94,356.36 and 40,086.30 is: 55,321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,371.50 : 94,356.36 = 40,086.30 : x
  2. Step 2: Convert to fraction form
    68,371.50/94,356.36 = 40,086.30/x
  3. Step 3: Cross multiply
    68,371.50x = 94,356.36 × 40,086.30
  4. Step 4: Simplify right side
    68,371.50x = 3,782,397,353.87
  5. Step 5: Solve for x
    x = 3,782,397,353.87/68,371.50
  6. Step 6: Final answer
    x = 55,321.26

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1.5x scale

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.