Home / 83,942.92-125,868.34-33,290.64

Finding the Fourth Proportional to 83,942.92, 125,868.34 and 33,290.64

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Solution

The fourth proportional to 83,942.92, 125,868.34 and 33,290.64 is: 49,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,942.92 : 125,868.34 = 33,290.64 : x
  2. Step 2: Convert to fraction form
    83,942.92/125,868.34 = 33,290.64/x
  3. Step 3: Cross multiply
    83,942.92x = 125,868.34 × 33,290.64
  4. Step 4: Simplify right side
    83,942.92x = 4,190,237,594.34
  5. Step 5: Solve for x
    x = 4,190,237,594.34/83,942.92
  6. Step 6: Final answer
    x = 49,917.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.