Home / 68,793.42-94,935.96-40,112.30

Finding the Fourth Proportional to 68,793.42, 94,935.96 and 40,112.30

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Solution

The fourth proportional to 68,793.42, 94,935.96 and 40,112.30 is: 55,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,793.42 : 94,935.96 = 40,112.30 : x
  2. Step 2: Convert to fraction form
    68,793.42/94,935.96 = 40,112.30/x
  3. Step 3: Cross multiply
    68,793.42x = 94,935.96 × 40,112.30
  4. Step 4: Simplify right side
    68,793.42x = 3,808,099,708.31
  5. Step 5: Solve for x
    x = 3,808,099,708.31/68,793.42
  6. Step 6: Final answer
    x = 55,355.58

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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.