Home / 50,519.13-75,781.73-15,459.09

Finding the Fourth Proportional to 50,519.13, 75,781.73 and 15,459.09

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Solution

The fourth proportional to 50,519.13, 75,781.73 and 15,459.09 is: 23,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,519.13 : 75,781.73 = 15,459.09 : x
  2. Step 2: Convert to fraction form
    50,519.13/75,781.73 = 15,459.09/x
  3. Step 3: Cross multiply
    50,519.13x = 75,781.73 × 15,459.09
  4. Step 4: Simplify right side
    50,519.13x = 1,171,516,584.43
  5. Step 5: Solve for x
    x = 1,171,516,584.43/50,519.13
  6. Step 6: Final answer
    x = 23,189.56

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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.