Home / 68,516.16-94,512.87-40,216.38

Finding the Fourth Proportional to 68,516.16, 94,512.87 and 40,216.38

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Solution

The fourth proportional to 68,516.16, 94,512.87 and 40,216.38 is: 55,475.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,516.16 : 94,512.87 = 40,216.38 : x
  2. Step 2: Convert to fraction form
    68,516.16/94,512.87 = 40,216.38/x
  3. Step 3: Cross multiply
    68,516.16x = 94,512.87 × 40,216.38
  4. Step 4: Simplify right side
    68,516.16x = 3,800,965,494.81
  5. Step 5: Solve for x
    x = 3,800,965,494.81/68,516.16
  6. Step 6: Final answer
    x = 55,475.46

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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.