Home / 76,198.87-105,144.48-43,934.70

Finding the Fourth Proportional to 76,198.87, 105,144.48 and 43,934.70

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Solution

The fourth proportional to 76,198.87, 105,144.48 and 43,934.70 is: 60,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,198.87 : 105,144.48 = 43,934.70 : x
  2. Step 2: Convert to fraction form
    76,198.87/105,144.48 = 43,934.70/x
  3. Step 3: Cross multiply
    76,198.87x = 105,144.48 × 43,934.70
  4. Step 4: Simplify right side
    76,198.87x = 4,619,491,185.46
  5. Step 5: Solve for x
    x = 4,619,491,185.46/76,198.87
  6. Step 6: Final answer
    x = 60,624.14

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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.