Home / 68,739-94,865.94-40,057.14

Finding the Fourth Proportional to 68,739, 94,865.94 and 40,057.14

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Solution

The fourth proportional to 68,739, 94,865.94 and 40,057.14 is: 55,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,739 : 94,865.94 = 40,057.14 : x
  2. Step 2: Convert to fraction form
    68,739/94,865.94 = 40,057.14/x
  3. Step 3: Cross multiply
    68,739x = 94,865.94 × 40,057.14
  4. Step 4: Simplify right side
    68,739x = 3,800,058,239.81
  5. Step 5: Solve for x
    x = 3,800,058,239.81/68,739
  6. Step 6: Final answer
    x = 55,282.42

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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.