Home / 68,414.92-94,412.46-40,120.36

Finding the Fourth Proportional to 68,414.92, 94,412.46 and 40,120.36

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Solution

The fourth proportional to 68,414.92, 94,412.46 and 40,120.36 is: 55,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,414.92 : 94,412.46 = 40,120.36 : x
  2. Step 2: Convert to fraction form
    68,414.92/94,412.46 = 40,120.36/x
  3. Step 3: Cross multiply
    68,414.92x = 94,412.46 × 40,120.36
  4. Step 4: Simplify right side
    68,414.92x = 3,787,861,883.69
  5. Step 5: Solve for x
    x = 3,787,861,883.69/68,414.92
  6. Step 6: Final answer
    x = 55,366.02

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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.