Home / 50,979.06-76,479.21-25,692.78

Finding the Fourth Proportional to 50,979.06, 76,479.21 and 25,692.78

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Solution

The fourth proportional to 50,979.06, 76,479.21 and 25,692.78 is: 38,544.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,979.06 : 76,479.21 = 25,692.78 : x
  2. Step 2: Convert to fraction form
    50,979.06/76,479.21 = 25,692.78/x
  3. Step 3: Cross multiply
    50,979.06x = 76,479.21 × 25,692.78
  4. Step 4: Simplify right side
    50,979.06x = 1,964,963,517.10
  5. Step 5: Solve for x
    x = 1,964,963,517.10/50,979.06
  6. Step 6: Final answer
    x = 38,544.52

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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.