Home / 68,105.20-93,984.87-37,893.43

Finding the Fourth Proportional to 68,105.20, 93,984.87 and 37,893.43

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Solution

The fourth proportional to 68,105.20, 93,984.87 and 37,893.43 is: 52,292.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,105.20 : 93,984.87 = 37,893.43 : x
  2. Step 2: Convert to fraction form
    68,105.20/93,984.87 = 37,893.43/x
  3. Step 3: Cross multiply
    68,105.20x = 93,984.87 × 37,893.43
  4. Step 4: Simplify right side
    68,105.20x = 3,561,409,092.40
  5. Step 5: Solve for x
    x = 3,561,409,092.40/68,105.20
  6. Step 6: Final answer
    x = 52,292.76

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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.