Home / 57,131.13-78,991.47-50,037.24

Finding the Fourth Proportional to 57,131.13, 78,991.47 and 50,037.24

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Solution

The fourth proportional to 57,131.13, 78,991.47 and 50,037.24 is: 69,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,131.13 : 78,991.47 = 50,037.24 : x
  2. Step 2: Convert to fraction form
    57,131.13/78,991.47 = 50,037.24/x
  3. Step 3: Cross multiply
    57,131.13x = 78,991.47 × 50,037.24
  4. Step 4: Simplify right side
    57,131.13x = 3,952,515,142.34
  5. Step 5: Solve for x
    x = 3,952,515,142.34/57,131.13
  6. Step 6: Final answer
    x = 69,183.21

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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.