Home / 77,844.21-116,782.72-25,249.59

Finding the Fourth Proportional to 77,844.21, 116,782.72 and 25,249.59

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Solution

The fourth proportional to 77,844.21, 116,782.72 and 25,249.59 is: 37,879.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,844.21 : 116,782.72 = 25,249.59 : x
  2. Step 2: Convert to fraction form
    77,844.21/116,782.72 = 25,249.59/x
  3. Step 3: Cross multiply
    77,844.21x = 116,782.72 × 25,249.59
  4. Step 4: Simplify right side
    77,844.21x = 2,948,716,173.90
  5. Step 5: Solve for x
    x = 2,948,716,173.90/77,844.21
  6. Step 6: Final answer
    x = 37,879.71

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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.