Home / 74,511.09-102,867.67-49,091.27

Finding the Fourth Proportional to 74,511.09, 102,867.67 and 49,091.27

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Solution

The fourth proportional to 74,511.09, 102,867.67 and 49,091.27 is: 67,773.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,511.09 : 102,867.67 = 49,091.27 : x
  2. Step 2: Convert to fraction form
    74,511.09/102,867.67 = 49,091.27/x
  3. Step 3: Cross multiply
    74,511.09x = 102,867.67 × 49,091.27
  4. Step 4: Simplify right side
    74,511.09x = 5,049,904,109.27
  5. Step 5: Solve for x
    x = 5,049,904,109.27/74,511.09
  6. Step 6: Final answer
    x = 67,773.86

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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.