Home / 89,249.31-133,691.70-49,827.42

Finding the Fourth Proportional to 89,249.31, 133,691.70 and 49,827.42

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Solution

The fourth proportional to 89,249.31, 133,691.70 and 49,827.42 is: 74,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,249.31 : 133,691.70 = 49,827.42 : x
  2. Step 2: Convert to fraction form
    89,249.31/133,691.70 = 49,827.42/x
  3. Step 3: Cross multiply
    89,249.31x = 133,691.70 × 49,827.42
  4. Step 4: Simplify right side
    89,249.31x = 6,661,512,486.41
  5. Step 5: Solve for x
    x = 6,661,512,486.41/89,249.31
  6. Step 6: Final answer
    x = 74,639.37

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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.