Home / 73,163.07-100,965.03-39,629.07

Finding the Fourth Proportional to 73,163.07, 100,965.03 and 39,629.07

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Solution

The fourth proportional to 73,163.07, 100,965.03 and 39,629.07 is: 54,688.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,163.07 : 100,965.03 = 39,629.07 : x
  2. Step 2: Convert to fraction form
    73,163.07/100,965.03 = 39,629.07/x
  3. Step 3: Cross multiply
    73,163.07x = 100,965.03 × 39,629.07
  4. Step 4: Simplify right side
    73,163.07x = 4,001,150,241.42
  5. Step 5: Solve for x
    x = 4,001,150,241.42/73,163.07
  6. Step 6: Final answer
    x = 54,688.11

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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.