Home / 78,084.12-107,757.90-44,103.54

Finding the Fourth Proportional to 78,084.12, 107,757.90 and 44,103.54

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Solution

The fourth proportional to 78,084.12, 107,757.90 and 44,103.54 is: 60,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,084.12 : 107,757.90 = 44,103.54 : x
  2. Step 2: Convert to fraction form
    78,084.12/107,757.90 = 44,103.54/x
  3. Step 3: Cross multiply
    78,084.12x = 107,757.90 × 44,103.54
  4. Step 4: Simplify right side
    78,084.12x = 4,752,504,852.97
  5. Step 5: Solve for x
    x = 4,752,504,852.97/78,084.12
  6. Step 6: Final answer
    x = 60,863.91

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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.