Home / 76,183.92-114,238.44-31,797.36

Finding the Fourth Proportional to 76,183.92, 114,238.44 and 31,797.36

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Solution

The fourth proportional to 76,183.92, 114,238.44 and 31,797.36 is: 47,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,183.92 : 114,238.44 = 31,797.36 : x
  2. Step 2: Convert to fraction form
    76,183.92/114,238.44 = 31,797.36/x
  3. Step 3: Cross multiply
    76,183.92x = 114,238.44 × 31,797.36
  4. Step 4: Simplify right side
    76,183.92x = 3,632,480,802.52
  5. Step 5: Solve for x
    x = 3,632,480,802.52/76,183.92
  6. Step 6: Final answer
    x = 47,680.41

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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.