Home / 76,142.27-114,236.78-34,057.75

Finding the Fourth Proportional to 76,142.27, 114,236.78 and 34,057.75

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Solution

The fourth proportional to 76,142.27, 114,236.78 and 34,057.75 is: 51,097.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,142.27 : 114,236.78 = 34,057.75 : x
  2. Step 2: Convert to fraction form
    76,142.27/114,236.78 = 34,057.75/x
  3. Step 3: Cross multiply
    76,142.27x = 114,236.78 × 34,057.75
  4. Step 4: Simplify right side
    76,142.27x = 3,890,647,238.16
  5. Step 5: Solve for x
    x = 3,890,647,238.16/76,142.27
  6. Step 6: Final answer
    x = 51,097.08

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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.