Home / 65,744.42-90,768.87-50,608.62

Finding the Fourth Proportional to 65,744.42, 90,768.87 and 50,608.62

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Solution

The fourth proportional to 65,744.42, 90,768.87 and 50,608.62 is: 69,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,744.42 : 90,768.87 = 50,608.62 : x
  2. Step 2: Convert to fraction form
    65,744.42/90,768.87 = 50,608.62/x
  3. Step 3: Cross multiply
    65,744.42x = 90,768.87 × 50,608.62
  4. Step 4: Simplify right side
    65,744.42x = 4,593,687,249.66
  5. Step 5: Solve for x
    x = 4,593,687,249.66/65,744.42
  6. Step 6: Final answer
    x = 69,871.90

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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.