Home / 57,169.09-85,782.91-27,217.21

Finding the Fourth Proportional to 57,169.09, 85,782.91 and 27,217.21

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Solution

The fourth proportional to 57,169.09, 85,782.91 and 27,217.21 is: 40,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,169.09 : 85,782.91 = 27,217.21 : x
  2. Step 2: Convert to fraction form
    57,169.09/85,782.91 = 27,217.21/x
  3. Step 3: Cross multiply
    57,169.09x = 85,782.91 × 27,217.21
  4. Step 4: Simplify right side
    57,169.09x = 2,334,771,475.88
  5. Step 5: Solve for x
    x = 2,334,771,475.88/57,169.09
  6. Step 6: Final answer
    x = 40,839.75

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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.