Home / 68,212.00-102,361.78-45,748.03

Finding the Fourth Proportional to 68,212.00, 102,361.78 and 45,748.03

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Solution

The fourth proportional to 68,212.00, 102,361.78 and 45,748.03 is: 68,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,212.00 : 102,361.78 = 45,748.03 : x
  2. Step 2: Convert to fraction form
    68,212.00/102,361.78 = 45,748.03/x
  3. Step 3: Cross multiply
    68,212.00x = 102,361.78 × 45,748.03
  4. Step 4: Simplify right side
    68,212.00x = 4,682,850,021.98
  5. Step 5: Solve for x
    x = 4,682,850,021.98/68,212.00
  6. Step 6: Final answer
    x = 68,651.41

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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.