Home / 83,684.67-115,456.57-47,849.19

Finding the Fourth Proportional to 83,684.67, 115,456.57 and 47,849.19

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Solution

The fourth proportional to 83,684.67, 115,456.57 and 47,849.19 is: 66,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,684.67 : 115,456.57 = 47,849.19 : x
  2. Step 2: Convert to fraction form
    83,684.67/115,456.57 = 47,849.19/x
  3. Step 3: Cross multiply
    83,684.67x = 115,456.57 × 47,849.19
  4. Step 4: Simplify right side
    83,684.67x = 5,524,503,354.68
  5. Step 5: Solve for x
    x = 5,524,503,354.68/83,684.67
  6. Step 6: Final answer
    x = 66,015.72

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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.