Home / 49,245.75-73,868.67-12,309.75

Finding the Fourth Proportional to 49,245.75, 73,868.67 and 12,309.75

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Solution

The fourth proportional to 49,245.75, 73,868.67 and 12,309.75 is: 18,464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,245.75 : 73,868.67 = 12,309.75 : x
  2. Step 2: Convert to fraction form
    49,245.75/73,868.67 = 12,309.75/x
  3. Step 3: Cross multiply
    49,245.75x = 73,868.67 × 12,309.75
  4. Step 4: Simplify right side
    49,245.75x = 909,304,860.53
  5. Step 5: Solve for x
    x = 909,304,860.53/49,245.75
  6. Step 6: Final answer
    x = 18,464.64

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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.