Home / 89,745.44-123,822.94-57,932.44

Finding the Fourth Proportional to 89,745.44, 123,822.94 and 57,932.44

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Solution

The fourth proportional to 89,745.44, 123,822.94 and 57,932.44 is: 79,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,745.44 : 123,822.94 = 57,932.44 : x
  2. Step 2: Convert to fraction form
    89,745.44/123,822.94 = 57,932.44/x
  3. Step 3: Cross multiply
    89,745.44x = 123,822.94 × 57,932.44
  4. Step 4: Simplify right side
    89,745.44x = 7,173,365,042.17
  5. Step 5: Solve for x
    x = 7,173,365,042.17/89,745.44
  6. Step 6: Final answer
    x = 79,930.13

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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.