Home / 57,716.10-86,578.20-32,768.10

Finding the Fourth Proportional to 57,716.10, 86,578.20 and 32,768.10

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Solution

The fourth proportional to 57,716.10, 86,578.20 and 32,768.10 is: 49,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,716.10 : 86,578.20 = 32,768.10 : x
  2. Step 2: Convert to fraction form
    57,716.10/86,578.20 = 32,768.10/x
  3. Step 3: Cross multiply
    57,716.10x = 86,578.20 × 32,768.10
  4. Step 4: Simplify right side
    57,716.10x = 2,837,003,115.42
  5. Step 5: Solve for x
    x = 2,837,003,115.42/57,716.10
  6. Step 6: Final answer
    x = 49,154.45

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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.