Home / 68,185.44-102,287.76-33,120.48

Finding the Fourth Proportional to 68,185.44, 102,287.76 and 33,120.48

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Solution

The fourth proportional to 68,185.44, 102,287.76 and 33,120.48 is: 49,685.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,185.44 : 102,287.76 = 33,120.48 : x
  2. Step 2: Convert to fraction form
    68,185.44/102,287.76 = 33,120.48/x
  3. Step 3: Cross multiply
    68,185.44x = 102,287.76 × 33,120.48
  4. Step 4: Simplify right side
    68,185.44x = 3,387,819,709.32
  5. Step 5: Solve for x
    x = 3,387,819,709.32/68,185.44
  6. Step 6: Final answer
    x = 49,685.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.