Home / 73,163.24-100,965.38-39,629.16

Finding the Fourth Proportional to 73,163.24, 100,965.38 and 39,629.16

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Solution

The fourth proportional to 73,163.24, 100,965.38 and 39,629.16 is: 54,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,163.24 : 100,965.38 = 39,629.16 : x
  2. Step 2: Convert to fraction form
    73,163.24/100,965.38 = 39,629.16/x
  3. Step 3: Cross multiply
    73,163.24x = 100,965.38 × 39,629.16
  4. Step 4: Simplify right side
    73,163.24x = 4,001,173,198.48
  5. Step 5: Solve for x
    x = 4,001,173,198.48/73,163.24
  6. Step 6: Final answer
    x = 54,688.30

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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.