Home / 89,936.31-124,112.28-49,650.12

Finding the Fourth Proportional to 89,936.31, 124,112.28 and 49,650.12

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Solution

The fourth proportional to 89,936.31, 124,112.28 and 49,650.12 is: 68,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,936.31 : 124,112.28 = 49,650.12 : x
  2. Step 2: Convert to fraction form
    89,936.31/124,112.28 = 49,650.12/x
  3. Step 3: Cross multiply
    89,936.31x = 124,112.28 × 49,650.12
  4. Step 4: Simplify right side
    89,936.31x = 6,162,189,595.47
  5. Step 5: Solve for x
    x = 6,162,189,595.47/89,936.31
  6. Step 6: Final answer
    x = 68,517.26

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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.