Home / 76,965.86-106,183.15-48,273.77

Finding the Fourth Proportional to 76,965.86, 106,183.15 and 48,273.77

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Solution

The fourth proportional to 76,965.86, 106,183.15 and 48,273.77 is: 66,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,965.86 : 106,183.15 = 48,273.77 : x
  2. Step 2: Convert to fraction form
    76,965.86/106,183.15 = 48,273.77/x
  3. Step 3: Cross multiply
    76,965.86x = 106,183.15 × 48,273.77
  4. Step 4: Simplify right side
    76,965.86x = 5,125,861,105.75
  5. Step 5: Solve for x
    x = 5,125,861,105.75/76,965.86
  6. Step 6: Final answer
    x = 66,599.15

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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.