Home / 76,896.64-106,169.82-49,738.54

Finding the Fourth Proportional to 76,896.64, 106,169.82 and 49,738.54

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Solution

The fourth proportional to 76,896.64, 106,169.82 and 49,738.54 is: 68,673.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,896.64 : 106,169.82 = 49,738.54 : x
  2. Step 2: Convert to fraction form
    76,896.64/106,169.82 = 49,738.54/x
  3. Step 3: Cross multiply
    76,896.64x = 106,169.82 × 49,738.54
  4. Step 4: Simplify right side
    76,896.64x = 5,280,731,838.86
  5. Step 5: Solve for x
    x = 5,280,731,838.86/76,896.64
  6. Step 6: Final answer
    x = 68,673.12

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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.