Home / 49,278.25-73,919.76-13,739.50

Finding the Fourth Proportional to 49,278.25, 73,919.76 and 13,739.50

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Solution

The fourth proportional to 49,278.25, 73,919.76 and 13,739.50 is: 20,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,278.25 : 73,919.76 = 13,739.50 : x
  2. Step 2: Convert to fraction form
    49,278.25/73,919.76 = 13,739.50/x
  3. Step 3: Cross multiply
    49,278.25x = 73,919.76 × 13,739.50
  4. Step 4: Simplify right side
    49,278.25x = 1,015,620,583.40
  5. Step 5: Solve for x
    x = 1,015,620,583.40/49,278.25
  6. Step 6: Final answer
    x = 20,609.92

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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.