Home / 83,091.78-114,653.13-49,095.54

Finding the Fourth Proportional to 83,091.78, 114,653.13 and 49,095.54

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Solution

The fourth proportional to 83,091.78, 114,653.13 and 49,095.54 is: 67,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,091.78 : 114,653.13 = 49,095.54 : x
  2. Step 2: Convert to fraction form
    83,091.78/114,653.13 = 49,095.54/x
  3. Step 3: Cross multiply
    83,091.78x = 114,653.13 × 49,095.54
  4. Step 4: Simplify right side
    83,091.78x = 5,628,957,330.04
  5. Step 5: Solve for x
    x = 5,628,957,330.04/83,091.78
  6. Step 6: Final answer
    x = 67,743.85

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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.