Home / 80,656.09-111,305.04-44,843.96

Finding the Fourth Proportional to 80,656.09, 111,305.04 and 44,843.96

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Solution

The fourth proportional to 80,656.09, 111,305.04 and 44,843.96 is: 61,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,656.09 : 111,305.04 = 44,843.96 : x
  2. Step 2: Convert to fraction form
    80,656.09/111,305.04 = 44,843.96/x
  3. Step 3: Cross multiply
    80,656.09x = 111,305.04 × 44,843.96
  4. Step 4: Simplify right side
    80,656.09x = 4,991,358,871.66
  5. Step 5: Solve for x
    x = 4,991,358,871.66/80,656.09
  6. Step 6: Final answer
    x = 61,884.47

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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.