Home / 62,936.70-94,418.94-20,829.90

Finding the Fourth Proportional to 62,936.70, 94,418.94 and 20,829.90

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Solution

The fourth proportional to 62,936.70, 94,418.94 and 20,829.90 is: 31,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,936.70 : 94,418.94 = 20,829.90 : x
  2. Step 2: Convert to fraction form
    62,936.70/94,418.94 = 20,829.90/x
  3. Step 3: Cross multiply
    62,936.70x = 94,418.94 × 20,829.90
  4. Step 4: Simplify right side
    62,936.70x = 1,966,737,078.31
  5. Step 5: Solve for x
    x = 1,966,737,078.31/62,936.70
  6. Step 6: Final answer
    x = 31,249.45

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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.