Home / 77,183.87-106,519.46-43,195.76

Finding the Fourth Proportional to 77,183.87, 106,519.46 and 43,195.76

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Solution

The fourth proportional to 77,183.87, 106,519.46 and 43,195.76 is: 59,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,183.87 : 106,519.46 = 43,195.76 : x
  2. Step 2: Convert to fraction form
    77,183.87/106,519.46 = 43,195.76/x
  3. Step 3: Cross multiply
    77,183.87x = 106,519.46 × 43,195.76
  4. Step 4: Simplify right side
    77,183.87x = 4,601,188,280.91
  5. Step 5: Solve for x
    x = 4,601,188,280.91/77,183.87
  6. Step 6: Final answer
    x = 59,613.34

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1.5x scale

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.