Home / 95,356.98-131,578.02-57,107.57

Finding the Fourth Proportional to 95,356.98, 131,578.02 and 57,107.57

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Solution

The fourth proportional to 95,356.98, 131,578.02 and 57,107.57 is: 78,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,356.98 : 131,578.02 = 57,107.57 : x
  2. Step 2: Convert to fraction form
    95,356.98/131,578.02 = 57,107.57/x
  3. Step 3: Cross multiply
    95,356.98x = 131,578.02 × 57,107.57
  4. Step 4: Simplify right side
    95,356.98x = 7,514,100,329.72
  5. Step 5: Solve for x
    x = 7,514,100,329.72/95,356.98
  6. Step 6: Final answer
    x = 78,799.69

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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.