Home / 68,318.65-94,286.99-40,048.09

Finding the Fourth Proportional to 68,318.65, 94,286.99 and 40,048.09

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Solution

The fourth proportional to 68,318.65, 94,286.99 and 40,048.09 is: 55,270.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,318.65 : 94,286.99 = 40,048.09 : x
  2. Step 2: Convert to fraction form
    68,318.65/94,286.99 = 40,048.09/x
  3. Step 3: Cross multiply
    68,318.65x = 94,286.99 × 40,048.09
  4. Step 4: Simplify right side
    68,318.65x = 3,776,013,661.11
  5. Step 5: Solve for x
    x = 3,776,013,661.11/68,318.65
  6. Step 6: Final answer
    x = 55,270.61

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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.