Home / 40,189.89-60,272.51-27,789.60

Finding the Fourth Proportional to 40,189.89, 60,272.51 and 27,789.60

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Solution

The fourth proportional to 40,189.89, 60,272.51 and 27,789.60 is: 41,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,189.89 : 60,272.51 = 27,789.60 : x
  2. Step 2: Convert to fraction form
    40,189.89/60,272.51 = 27,789.60/x
  3. Step 3: Cross multiply
    40,189.89x = 60,272.51 × 27,789.60
  4. Step 4: Simplify right side
    40,189.89x = 1,674,948,787.35
  5. Step 5: Solve for x
    x = 1,674,948,787.35/40,189.89
  6. Step 6: Final answer
    x = 41,675.88

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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.