Home / 71,921.64-107,859.12-33,965.04

Finding the Fourth Proportional to 71,921.64, 107,859.12 and 33,965.04

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Solution

The fourth proportional to 71,921.64, 107,859.12 and 33,965.04 is: 50,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,921.64 : 107,859.12 = 33,965.04 : x
  2. Step 2: Convert to fraction form
    71,921.64/107,859.12 = 33,965.04/x
  3. Step 3: Cross multiply
    71,921.64x = 107,859.12 × 33,965.04
  4. Step 4: Simplify right side
    71,921.64x = 3,663,439,318.60
  5. Step 5: Solve for x
    x = 3,663,439,318.60/71,921.64
  6. Step 6: Final answer
    x = 50,936.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.