Home / 79,839.89-110,180.66-51,594.78

Finding the Fourth Proportional to 79,839.89, 110,180.66 and 51,594.78

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Solution

The fourth proportional to 79,839.89, 110,180.66 and 51,594.78 is: 71,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,839.89 : 110,180.66 = 51,594.78 : x
  2. Step 2: Convert to fraction form
    79,839.89/110,180.66 = 51,594.78/x
  3. Step 3: Cross multiply
    79,839.89x = 110,180.66 × 51,594.78
  4. Step 4: Simplify right side
    79,839.89x = 5,684,746,654.98
  5. Step 5: Solve for x
    x = 5,684,746,654.98/79,839.89
  6. Step 6: Final answer
    x = 71,201.84

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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.