Home / 82,884.86-124,435.68-49,212.34

Finding the Fourth Proportional to 82,884.86, 124,435.68 and 49,212.34

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Solution

The fourth proportional to 82,884.86, 124,435.68 and 49,212.34 is: 73,882.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,884.86 : 124,435.68 = 49,212.34 : x
  2. Step 2: Convert to fraction form
    82,884.86/124,435.68 = 49,212.34/x
  3. Step 3: Cross multiply
    82,884.86x = 124,435.68 × 49,212.34
  4. Step 4: Simplify right side
    82,884.86x = 6,123,770,992.29
  5. Step 5: Solve for x
    x = 6,123,770,992.29/82,884.86
  6. Step 6: Final answer
    x = 73,882.87

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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.