Home / 49,742.87-74,606.94-18,145.53

Finding the Fourth Proportional to 49,742.87, 74,606.94 and 18,145.53

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Solution

The fourth proportional to 49,742.87, 74,606.94 and 18,145.53 is: 27,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,742.87 : 74,606.94 = 18,145.53 : x
  2. Step 2: Convert to fraction form
    49,742.87/74,606.94 = 18,145.53/x
  3. Step 3: Cross multiply
    49,742.87x = 74,606.94 × 18,145.53
  4. Step 4: Simplify right side
    49,742.87x = 1,353,782,467.98
  5. Step 5: Solve for x
    x = 1,353,782,467.98/49,742.87
  6. Step 6: Final answer
    x = 27,215.61

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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.