Home / 57,544.11-86,201.35-45,717.91

Finding the Fourth Proportional to 57,544.11, 86,201.35 and 45,717.91

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Solution

The fourth proportional to 57,544.11, 86,201.35 and 45,717.91 is: 68,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,544.11 : 86,201.35 = 45,717.91 : x
  2. Step 2: Convert to fraction form
    57,544.11/86,201.35 = 45,717.91/x
  3. Step 3: Cross multiply
    57,544.11x = 86,201.35 × 45,717.91
  4. Step 4: Simplify right side
    57,544.11x = 3,940,945,231.38
  5. Step 5: Solve for x
    x = 3,940,945,231.38/57,544.11
  6. Step 6: Final answer
    x = 68,485.64

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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.