Home / 80,679.09-111,328.62-44,863.32

Finding the Fourth Proportional to 80,679.09, 111,328.62 and 44,863.32

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Solution

The fourth proportional to 80,679.09, 111,328.62 and 44,863.32 is: 61,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,679.09 : 111,328.62 = 44,863.32 : x
  2. Step 2: Convert to fraction form
    80,679.09/111,328.62 = 44,863.32/x
  3. Step 3: Cross multiply
    80,679.09x = 111,328.62 × 44,863.32
  4. Step 4: Simplify right side
    80,679.09x = 4,994,571,504.22
  5. Step 5: Solve for x
    x = 4,994,571,504.22/80,679.09
  6. Step 6: Final answer
    x = 61,906.64

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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.