Home / 50,563.15-75,844.11-13,119.89

Finding the Fourth Proportional to 50,563.15, 75,844.11 and 13,119.89

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Solution

The fourth proportional to 50,563.15, 75,844.11 and 13,119.89 is: 19,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,563.15 : 75,844.11 = 13,119.89 : x
  2. Step 2: Convert to fraction form
    50,563.15/75,844.11 = 13,119.89/x
  3. Step 3: Cross multiply
    50,563.15x = 75,844.11 × 13,119.89
  4. Step 4: Simplify right side
    50,563.15x = 995,066,380.35
  5. Step 5: Solve for x
    x = 995,066,380.35/50,563.15
  6. Step 6: Final answer
    x = 19,679.68

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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.