Home / 77,467.76-116,163.28-27,540.38

Finding the Fourth Proportional to 77,467.76, 116,163.28 and 27,540.38

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Solution

The fourth proportional to 77,467.76, 116,163.28 and 27,540.38 is: 41,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,467.76 : 116,163.28 = 27,540.38 : x
  2. Step 2: Convert to fraction form
    77,467.76/116,163.28 = 27,540.38/x
  3. Step 3: Cross multiply
    77,467.76x = 116,163.28 × 27,540.38
  4. Step 4: Simplify right side
    77,467.76x = 3,199,180,873.25
  5. Step 5: Solve for x
    x = 3,199,180,873.25/77,467.76
  6. Step 6: Final answer
    x = 41,296.93

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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.