Home / 52,471.08-78,685.74-19,183.56

Finding the Fourth Proportional to 52,471.08, 78,685.74 and 19,183.56

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Solution

The fourth proportional to 52,471.08, 78,685.74 and 19,183.56 is: 28,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,471.08 : 78,685.74 = 19,183.56 : x
  2. Step 2: Convert to fraction form
    52,471.08/78,685.74 = 19,183.56/x
  3. Step 3: Cross multiply
    52,471.08x = 78,685.74 × 19,183.56
  4. Step 4: Simplify right side
    52,471.08x = 1,509,472,614.43
  5. Step 5: Solve for x
    x = 1,509,472,614.43/52,471.08
  6. Step 6: Final answer
    x = 28,767.71

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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.