Home / 110,974.72-166,504-66,632.38

Finding the Fourth Proportional to 110,974.72, 166,504 and 66,632.38

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Solution

The fourth proportional to 110,974.72, 166,504 and 66,632.38 is: 99,973.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,974.72 : 166,504 = 66,632.38 : x
  2. Step 2: Convert to fraction form
    110,974.72/166,504 = 66,632.38/x
  3. Step 3: Cross multiply
    110,974.72x = 166,504 × 66,632.38
  4. Step 4: Simplify right side
    110,974.72x = 11,094,557,799.52
  5. Step 5: Solve for x
    x = 11,094,557,799.52/110,974.72
  6. Step 6: Final answer
    x = 99,973.74

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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.