Home / 51,851.32-77,789.40-16,791.04

Finding the Fourth Proportional to 51,851.32, 77,789.40 and 16,791.04

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Solution

The fourth proportional to 51,851.32, 77,789.40 and 16,791.04 is: 25,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,851.32 : 77,789.40 = 16,791.04 : x
  2. Step 2: Convert to fraction form
    51,851.32/77,789.40 = 16,791.04/x
  3. Step 3: Cross multiply
    51,851.32x = 77,789.40 × 16,791.04
  4. Step 4: Simplify right side
    51,851.32x = 1,306,164,926.98
  5. Step 5: Solve for x
    x = 1,306,164,926.98/51,851.32
  6. Step 6: Final answer
    x = 25,190.58

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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.