Home / 84,736.56-116,936.52-47,010.78

Finding the Fourth Proportional to 84,736.56, 116,936.52 and 47,010.78

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Solution

The fourth proportional to 84,736.56, 116,936.52 and 47,010.78 is: 64,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736.56 : 116,936.52 = 47,010.78 : x
  2. Step 2: Convert to fraction form
    84,736.56/116,936.52 = 47,010.78/x
  3. Step 3: Cross multiply
    84,736.56x = 116,936.52 × 47,010.78
  4. Step 4: Simplify right side
    84,736.56x = 5,497,277,015.69
  5. Step 5: Solve for x
    x = 5,497,277,015.69/84,736.56
  6. Step 6: Final answer
    x = 64,874.91

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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.