Home / 49,208.50-73,812.75-12,272.50

Finding the Fourth Proportional to 49,208.50, 73,812.75 and 12,272.50

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Solution

The fourth proportional to 49,208.50, 73,812.75 and 12,272.50 is: 18,408.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,208.50 : 73,812.75 = 12,272.50 : x
  2. Step 2: Convert to fraction form
    49,208.50/73,812.75 = 12,272.50/x
  3. Step 3: Cross multiply
    49,208.50x = 73,812.75 × 12,272.50
  4. Step 4: Simplify right side
    49,208.50x = 905,866,974.38
  5. Step 5: Solve for x
    x = 905,866,974.38/49,208.50
  6. Step 6: Final answer
    x = 18,408.75

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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.