Home / 80,164.77-110,623.35-43,865.43

Finding the Fourth Proportional to 80,164.77, 110,623.35 and 43,865.43

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Solution

The fourth proportional to 80,164.77, 110,623.35 and 43,865.43 is: 60,532.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,164.77 : 110,623.35 = 43,865.43 : x
  2. Step 2: Convert to fraction form
    80,164.77/110,623.35 = 43,865.43/x
  3. Step 3: Cross multiply
    80,164.77x = 110,623.35 × 43,865.43
  4. Step 4: Simplify right side
    80,164.77x = 4,852,540,815.79
  5. Step 5: Solve for x
    x = 4,852,540,815.79/80,164.77
  6. Step 6: Final answer
    x = 60,532.09

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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.