Home / 83,865.79-115,674.33-48,042.73

Finding the Fourth Proportional to 83,865.79, 115,674.33 and 48,042.73

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Solution

The fourth proportional to 83,865.79, 115,674.33 and 48,042.73 is: 66,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,865.79 : 115,674.33 = 48,042.73 : x
  2. Step 2: Convert to fraction form
    83,865.79/115,674.33 = 48,042.73/x
  3. Step 3: Cross multiply
    83,865.79x = 115,674.33 × 48,042.73
  4. Step 4: Simplify right side
    83,865.79x = 5,557,310,604.12
  5. Step 5: Solve for x
    x = 5,557,310,604.12/83,865.79
  6. Step 6: Final answer
    x = 66,264.33

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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.