Home / 92,004.30-126,979.38-51,721.38

Finding the Fourth Proportional to 92,004.30, 126,979.38 and 51,721.38

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Solution

The fourth proportional to 92,004.30, 126,979.38 and 51,721.38 is: 71,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,004.30 : 126,979.38 = 51,721.38 : x
  2. Step 2: Convert to fraction form
    92,004.30/126,979.38 = 51,721.38/x
  3. Step 3: Cross multiply
    92,004.30x = 126,979.38 × 51,721.38
  4. Step 4: Simplify right side
    92,004.30x = 6,567,548,765.14
  5. Step 5: Solve for x
    x = 6,567,548,765.14/92,004.30
  6. Step 6: Final answer
    x = 71,383.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.