Home / 89,664.22-123,731.78-49,370.38

Finding the Fourth Proportional to 89,664.22, 123,731.78 and 49,370.38

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Solution

The fourth proportional to 89,664.22, 123,731.78 and 49,370.38 is: 68,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,664.22 : 123,731.78 = 49,370.38 : x
  2. Step 2: Convert to fraction form
    89,664.22/123,731.78 = 49,370.38/x
  3. Step 3: Cross multiply
    89,664.22x = 123,731.78 × 49,370.38
  4. Step 4: Simplify right side
    89,664.22x = 6,108,684,996.68
  5. Step 5: Solve for x
    x = 6,108,684,996.68/89,664.22
  6. Step 6: Final answer
    x = 68,128.46

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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.