Home / 77,556.27-116,329.78-27,633.72

Finding the Fourth Proportional to 77,556.27, 116,329.78 and 27,633.72

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Solution

The fourth proportional to 77,556.27, 116,329.78 and 27,633.72 is: 41,448.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,556.27 : 116,329.78 = 27,633.72 : x
  2. Step 2: Convert to fraction form
    77,556.27/116,329.78 = 27,633.72/x
  3. Step 3: Cross multiply
    77,556.27x = 116,329.78 × 27,633.72
  4. Step 4: Simplify right side
    77,556.27x = 3,214,624,568.18
  5. Step 5: Solve for x
    x = 3,214,624,568.18/77,556.27
  6. Step 6: Final answer
    x = 41,448.93

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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.