Home / 52,447.69-78,660.60-19,183.42

Finding the Fourth Proportional to 52,447.69, 78,660.60 and 19,183.42

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Solution

The fourth proportional to 52,447.69, 78,660.60 and 19,183.42 is: 28,771.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,447.69 : 78,660.60 = 19,183.42 : x
  2. Step 2: Convert to fraction form
    52,447.69/78,660.60 = 19,183.42/x
  3. Step 3: Cross multiply
    52,447.69x = 78,660.60 × 19,183.42
  4. Step 4: Simplify right side
    52,447.69x = 1,508,979,327.25
  5. Step 5: Solve for x
    x = 1,508,979,327.25/52,447.69
  6. Step 6: Final answer
    x = 28,771.13

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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.