Home / 87,944.54-121,356.27-49,707.36

Finding the Fourth Proportional to 87,944.54, 121,356.27 and 49,707.36

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Solution

The fourth proportional to 87,944.54, 121,356.27 and 49,707.36 is: 68,592.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,944.54 : 121,356.27 = 49,707.36 : x
  2. Step 2: Convert to fraction form
    87,944.54/121,356.27 = 49,707.36/x
  3. Step 3: Cross multiply
    87,944.54x = 121,356.27 × 49,707.36
  4. Step 4: Simplify right side
    87,944.54x = 6,032,299,801.15
  5. Step 5: Solve for x
    x = 6,032,299,801.15/87,944.54
  6. Step 6: Final answer
    x = 68,592.09

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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.