Home / 75,578.26-113,418.36-31,204

Finding the Fourth Proportional to 75,578.26, 113,418.36 and 31,204

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Solution

The fourth proportional to 75,578.26, 113,418.36 and 31,204 is: 46,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,578.26 : 113,418.36 = 31,204 : x
  2. Step 2: Convert to fraction form
    75,578.26/113,418.36 = 31,204/x
  3. Step 3: Cross multiply
    75,578.26x = 113,418.36 × 31,204
  4. Step 4: Simplify right side
    75,578.26x = 3,539,106,505.44
  5. Step 5: Solve for x
    x = 3,539,106,505.44/75,578.26
  6. Step 6: Final answer
    x = 46,827.04

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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.