Home / 50,811.10-76,189.16-40,348.43

Finding the Fourth Proportional to 50,811.10, 76,189.16 and 40,348.43

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Solution

The fourth proportional to 50,811.10, 76,189.16 and 40,348.43 is: 60,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,811.10 : 76,189.16 = 40,348.43 : x
  2. Step 2: Convert to fraction form
    50,811.10/76,189.16 = 40,348.43/x
  3. Step 3: Cross multiply
    50,811.10x = 76,189.16 × 40,348.43
  4. Step 4: Simplify right side
    50,811.10x = 3,074,112,767.69
  5. Step 5: Solve for x
    x = 3,074,112,767.69/50,811.10
  6. Step 6: Final answer
    x = 60,500.81

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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.