Home / 79,850.08-110,182.96-49,640.32

Finding the Fourth Proportional to 79,850.08, 110,182.96 and 49,640.32

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Solution

The fourth proportional to 79,850.08, 110,182.96 and 49,640.32 is: 68,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,850.08 : 110,182.96 = 49,640.32 : x
  2. Step 2: Convert to fraction form
    79,850.08/110,182.96 = 49,640.32/x
  3. Step 3: Cross multiply
    79,850.08x = 110,182.96 × 49,640.32
  4. Step 4: Simplify right side
    79,850.08x = 5,469,517,392.95
  5. Step 5: Solve for x
    x = 5,469,517,392.95/79,850.08
  6. Step 6: Final answer
    x = 68,497.33

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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.