Home / 87,736.54-121,076.07-47,450.35

Finding the Fourth Proportional to 87,736.54, 121,076.07 and 47,450.35

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Solution

The fourth proportional to 87,736.54, 121,076.07 and 47,450.35 is: 65,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,736.54 : 121,076.07 = 47,450.35 : x
  2. Step 2: Convert to fraction form
    87,736.54/121,076.07 = 47,450.35/x
  3. Step 3: Cross multiply
    87,736.54x = 121,076.07 × 47,450.35
  4. Step 4: Simplify right side
    87,736.54x = 5,745,101,898.12
  5. Step 5: Solve for x
    x = 5,745,101,898.12/87,736.54
  6. Step 6: Final answer
    x = 65,481.29

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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.