Home / 84,976.94-117,264.48-51,005.54

Finding the Fourth Proportional to 84,976.94, 117,264.48 and 51,005.54

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Solution

The fourth proportional to 84,976.94, 117,264.48 and 51,005.54 is: 70,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,976.94 : 117,264.48 = 51,005.54 : x
  2. Step 2: Convert to fraction form
    84,976.94/117,264.48 = 51,005.54/x
  3. Step 3: Cross multiply
    84,976.94x = 117,264.48 × 51,005.54
  4. Step 4: Simplify right side
    84,976.94x = 5,981,138,125.22
  5. Step 5: Solve for x
    x = 5,981,138,125.22/84,976.94
  6. Step 6: Final answer
    x = 70,385.43

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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.