Home / 73,933.38-102,027.99-40,399.38

Finding the Fourth Proportional to 73,933.38, 102,027.99 and 40,399.38

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Solution

The fourth proportional to 73,933.38, 102,027.99 and 40,399.38 is: 55,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,933.38 : 102,027.99 = 40,399.38 : x
  2. Step 2: Convert to fraction form
    73,933.38/102,027.99 = 40,399.38/x
  3. Step 3: Cross multiply
    73,933.38x = 102,027.99 × 40,399.38
  4. Step 4: Simplify right side
    73,933.38x = 4,121,867,538.65
  5. Step 5: Solve for x
    x = 4,121,867,538.65/73,933.38
  6. Step 6: Final answer
    x = 55,751.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.