Home / 56,716.83-78,269.18-35,198.55

Finding the Fourth Proportional to 56,716.83, 78,269.18 and 35,198.55

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Solution

The fourth proportional to 56,716.83, 78,269.18 and 35,198.55 is: 48,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,716.83 : 78,269.18 = 35,198.55 : x
  2. Step 2: Convert to fraction form
    56,716.83/78,269.18 = 35,198.55/x
  3. Step 3: Cross multiply
    56,716.83x = 78,269.18 × 35,198.55
  4. Step 4: Simplify right side
    56,716.83x = 2,754,961,469.70
  5. Step 5: Solve for x
    x = 2,754,961,469.70/56,716.83
  6. Step 6: Final answer
    x = 48,573.97

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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.