Home / 98,249.62-135,578.52-57,976

Finding the Fourth Proportional to 98,249.62, 135,578.52 and 57,976

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Solution

The fourth proportional to 98,249.62, 135,578.52 and 57,976 is: 80,003.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,249.62 : 135,578.52 = 57,976 : x
  2. Step 2: Convert to fraction form
    98,249.62/135,578.52 = 57,976/x
  3. Step 3: Cross multiply
    98,249.62x = 135,578.52 × 57,976
  4. Step 4: Simplify right side
    98,249.62x = 7,860,300,275.52
  5. Step 5: Solve for x
    x = 7,860,300,275.52/98,249.62
  6. Step 6: Final answer
    x = 80,003.37

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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.