Home / 106,222.12-159,431.64-53,668.54

Finding the Fourth Proportional to 106,222.12, 159,431.64 and 53,668.54

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Solution

The fourth proportional to 106,222.12, 159,431.64 and 53,668.54 is: 80,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,222.12 : 159,431.64 = 53,668.54 : x
  2. Step 2: Convert to fraction form
    106,222.12/159,431.64 = 53,668.54/x
  3. Step 3: Cross multiply
    106,222.12x = 159,431.64 × 53,668.54
  4. Step 4: Simplify right side
    106,222.12x = 8,556,463,348.61
  5. Step 5: Solve for x
    x = 8,556,463,348.61/106,222.12
  6. Step 6: Final answer
    x = 80,552.56

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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.