Home / 51,963.36-71,692.52-31,799.20

Finding the Fourth Proportional to 51,963.36, 71,692.52 and 31,799.20

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Solution

The fourth proportional to 51,963.36, 71,692.52 and 31,799.20 is: 43,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,963.36 : 71,692.52 = 31,799.20 : x
  2. Step 2: Convert to fraction form
    51,963.36/71,692.52 = 31,799.20/x
  3. Step 3: Cross multiply
    51,963.36x = 71,692.52 × 31,799.20
  4. Step 4: Simplify right side
    51,963.36x = 2,279,764,781.98
  5. Step 5: Solve for x
    x = 2,279,764,781.98/51,963.36
  6. Step 6: Final answer
    x = 43,872.54

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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.