Home / 51,771.75-77,657.64-16,716.57

Finding the Fourth Proportional to 51,771.75, 77,657.64 and 16,716.57

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Solution

The fourth proportional to 51,771.75, 77,657.64 and 16,716.57 is: 25,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,771.75 : 77,657.64 = 16,716.57 : x
  2. Step 2: Convert to fraction form
    51,771.75/77,657.64 = 16,716.57/x
  3. Step 3: Cross multiply
    51,771.75x = 77,657.64 × 16,716.57
  4. Step 4: Simplify right side
    51,771.75x = 1,298,169,375.09
  5. Step 5: Solve for x
    x = 1,298,169,375.09/51,771.75
  6. Step 6: Final answer
    x = 25,074.86

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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.