Home / 48,387.78-66,770.19-27,166.86

Finding the Fourth Proportional to 48,387.78, 66,770.19 and 27,166.86

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Solution

The fourth proportional to 48,387.78, 66,770.19 and 27,166.86 is: 37,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387.78 : 66,770.19 = 27,166.86 : x
  2. Step 2: Convert to fraction form
    48,387.78/66,770.19 = 27,166.86/x
  3. Step 3: Cross multiply
    48,387.78x = 66,770.19 × 27,166.86
  4. Step 4: Simplify right side
    48,387.78x = 1,813,936,403.90
  5. Step 5: Solve for x
    x = 1,813,936,403.90/48,387.78
  6. Step 6: Final answer
    x = 37,487.49

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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.