Home / 68,984.96-95,198.40-39,175.04

Finding the Fourth Proportional to 68,984.96, 95,198.40 and 39,175.04

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Solution

The fourth proportional to 68,984.96, 95,198.40 and 39,175.04 is: 54,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,984.96 : 95,198.40 = 39,175.04 : x
  2. Step 2: Convert to fraction form
    68,984.96/95,198.40 = 39,175.04/x
  3. Step 3: Cross multiply
    68,984.96x = 95,198.40 × 39,175.04
  4. Step 4: Simplify right side
    68,984.96x = 3,729,401,127.94
  5. Step 5: Solve for x
    x = 3,729,401,127.94/68,984.96
  6. Step 6: Final answer
    x = 54,061.08

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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.