Home / 67,185.27-100,792.89-20,441.79

Finding the Fourth Proportional to 67,185.27, 100,792.89 and 20,441.79

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Solution

The fourth proportional to 67,185.27, 100,792.89 and 20,441.79 is: 30,667.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,185.27 : 100,792.89 = 20,441.79 : x
  2. Step 2: Convert to fraction form
    67,185.27/100,792.89 = 20,441.79/x
  3. Step 3: Cross multiply
    67,185.27x = 100,792.89 × 20,441.79
  4. Step 4: Simplify right side
    67,185.27x = 2,060,387,090.87
  5. Step 5: Solve for x
    x = 2,060,387,090.87/67,185.27
  6. Step 6: Final answer
    x = 30,667.24

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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.