Home / 68,542.96-94,589.94-40,249.12

Finding the Fourth Proportional to 68,542.96, 94,589.94 and 40,249.12

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Solution

The fourth proportional to 68,542.96, 94,589.94 and 40,249.12 is: 55,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,542.96 : 94,589.94 = 40,249.12 : x
  2. Step 2: Convert to fraction form
    68,542.96/94,589.94 = 40,249.12/x
  3. Step 3: Cross multiply
    68,542.96x = 94,589.94 × 40,249.12
  4. Step 4: Simplify right side
    68,542.96x = 3,807,161,845.85
  5. Step 5: Solve for x
    x = 3,807,161,845.85/68,542.96
  6. Step 6: Final answer
    x = 55,544.17

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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.