Home / 68,493.20-94,527.42-40,198.28

Finding the Fourth Proportional to 68,493.20, 94,527.42 and 40,198.28

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Solution

The fourth proportional to 68,493.20, 94,527.42 and 40,198.28 is: 55,477.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,493.20 : 94,527.42 = 40,198.28 : x
  2. Step 2: Convert to fraction form
    68,493.20/94,527.42 = 40,198.28/x
  3. Step 3: Cross multiply
    68,493.20x = 94,527.42 × 40,198.28
  4. Step 4: Simplify right side
    68,493.20x = 3,799,839,696.84
  5. Step 5: Solve for x
    x = 3,799,839,696.84/68,493.20
  6. Step 6: Final answer
    x = 55,477.62

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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.