Home / 51,868.96-77,797.77-16,799.20

Finding the Fourth Proportional to 51,868.96, 77,797.77 and 16,799.20

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Solution

The fourth proportional to 51,868.96, 77,797.77 and 16,799.20 is: 25,196.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,868.96 : 77,797.77 = 16,799.20 : x
  2. Step 2: Convert to fraction form
    51,868.96/77,797.77 = 16,799.20/x
  3. Step 3: Cross multiply
    51,868.96x = 77,797.77 × 16,799.20
  4. Step 4: Simplify right side
    51,868.96x = 1,306,940,297.78
  5. Step 5: Solve for x
    x = 1,306,940,297.78/51,868.96
  6. Step 6: Final answer
    x = 25,196.96

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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.