Home / 57,183.23-78,736.73-50,798.75

Finding the Fourth Proportional to 57,183.23, 78,736.73 and 50,798.75

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Solution

The fourth proportional to 57,183.23, 78,736.73 and 50,798.75 is: 69,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,183.23 : 78,736.73 = 50,798.75 : x
  2. Step 2: Convert to fraction form
    57,183.23/78,736.73 = 50,798.75/x
  3. Step 3: Cross multiply
    57,183.23x = 78,736.73 × 50,798.75
  4. Step 4: Simplify right side
    57,183.23x = 3,999,726,815.41
  5. Step 5: Solve for x
    x = 3,999,726,815.41/57,183.23
  6. Step 6: Final answer
    x = 69,945.80

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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.