Home / 84,787.22-117,006.82-52,974.57

Finding the Fourth Proportional to 84,787.22, 117,006.82 and 52,974.57

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Solution

The fourth proportional to 84,787.22, 117,006.82 and 52,974.57 is: 73,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,787.22 : 117,006.82 = 52,974.57 : x
  2. Step 2: Convert to fraction form
    84,787.22/117,006.82 = 52,974.57/x
  3. Step 3: Cross multiply
    84,787.22x = 117,006.82 × 52,974.57
  4. Step 4: Simplify right side
    84,787.22x = 6,198,385,976.57
  5. Step 5: Solve for x
    x = 6,198,385,976.57/84,787.22
  6. Step 6: Final answer
    x = 73,105.19

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1.5x scale

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.