Home / 68,028.58-102,007.87-30,556.49

Finding the Fourth Proportional to 68,028.58, 102,007.87 and 30,556.49

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Solution

The fourth proportional to 68,028.58, 102,007.87 and 30,556.49 is: 45,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,028.58 : 102,007.87 = 30,556.49 : x
  2. Step 2: Convert to fraction form
    68,028.58/102,007.87 = 30,556.49/x
  3. Step 3: Cross multiply
    68,028.58x = 102,007.87 × 30,556.49
  4. Step 4: Simplify right side
    68,028.58x = 3,117,002,618.82
  5. Step 5: Solve for x
    x = 3,117,002,618.82/68,028.58
  6. Step 6: Final answer
    x = 45,819.02

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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.