Home / 111,260.47-166,888.88-27,021.33

Finding the Fourth Proportional to 111,260.47, 166,888.88 and 27,021.33

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Solution

The fourth proportional to 111,260.47, 166,888.88 and 27,021.33 is: 40,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,260.47 : 166,888.88 = 27,021.33 : x
  2. Step 2: Convert to fraction form
    111,260.47/166,888.88 = 27,021.33/x
  3. Step 3: Cross multiply
    111,260.47x = 166,888.88 × 27,021.33
  4. Step 4: Simplify right side
    111,260.47x = 4,509,558,732.92
  5. Step 5: Solve for x
    x = 4,509,558,732.92/111,260.47
  6. Step 6: Final answer
    x = 40,531.54

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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.