Home / 76,138.94-114,247.32-50,855.69

Finding the Fourth Proportional to 76,138.94, 114,247.32 and 50,855.69

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Solution

The fourth proportional to 76,138.94, 114,247.32 and 50,855.69 is: 76,309.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,138.94 : 114,247.32 = 50,855.69 : x
  2. Step 2: Convert to fraction form
    76,138.94/114,247.32 = 50,855.69/x
  3. Step 3: Cross multiply
    76,138.94x = 114,247.32 × 50,855.69
  4. Step 4: Simplify right side
    76,138.94x = 5,810,126,574.87
  5. Step 5: Solve for x
    x = 5,810,126,574.87/76,138.94
  6. Step 6: Final answer
    x = 76,309.53

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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.