Home / 76,226.76-105,183.86-43,961

Finding the Fourth Proportional to 76,226.76, 105,183.86 and 43,961

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Solution

The fourth proportional to 76,226.76, 105,183.86 and 43,961 is: 60,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,226.76 : 105,183.86 = 43,961 : x
  2. Step 2: Convert to fraction form
    76,226.76/105,183.86 = 43,961/x
  3. Step 3: Cross multiply
    76,226.76x = 105,183.86 × 43,961
  4. Step 4: Simplify right side
    76,226.76x = 4,623,987,669.46
  5. Step 5: Solve for x
    x = 4,623,987,669.46/76,226.76
  6. Step 6: Final answer
    x = 60,660.95

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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.