Home / 65,446.87-90,317.03-36,767.74

Finding the Fourth Proportional to 65,446.87, 90,317.03 and 36,767.74

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Solution

The fourth proportional to 65,446.87, 90,317.03 and 36,767.74 is: 50,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,446.87 : 90,317.03 = 36,767.74 : x
  2. Step 2: Convert to fraction form
    65,446.87/90,317.03 = 36,767.74/x
  3. Step 3: Cross multiply
    65,446.87x = 90,317.03 × 36,767.74
  4. Step 4: Simplify right side
    65,446.87x = 3,320,753,375.84
  5. Step 5: Solve for x
    x = 3,320,753,375.84/65,446.87
  6. Step 6: Final answer
    x = 50,739.68

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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.