Home / 76,198.56-105,145.03-43,932.82

Finding the Fourth Proportional to 76,198.56, 105,145.03 and 43,932.82

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Solution

The fourth proportional to 76,198.56, 105,145.03 and 43,932.82 is: 60,622.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,198.56 : 105,145.03 = 43,932.82 : x
  2. Step 2: Convert to fraction form
    76,198.56/105,145.03 = 43,932.82/x
  3. Step 3: Cross multiply
    76,198.56x = 105,145.03 × 43,932.82
  4. Step 4: Simplify right side
    76,198.56x = 4,619,317,304.19
  5. Step 5: Solve for x
    x = 4,619,317,304.19/76,198.56
  6. Step 6: Final answer
    x = 60,622.11

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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.