Home / 80,121.03-110,563.68-43,821.89

Finding the Fourth Proportional to 80,121.03, 110,563.68 and 43,821.89

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Solution

The fourth proportional to 80,121.03, 110,563.68 and 43,821.89 is: 60,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,121.03 : 110,563.68 = 43,821.89 : x
  2. Step 2: Convert to fraction form
    80,121.03/110,563.68 = 43,821.89/x
  3. Step 3: Cross multiply
    80,121.03x = 110,563.68 × 43,821.89
  4. Step 4: Simplify right side
    80,121.03x = 4,845,109,422.96
  5. Step 5: Solve for x
    x = 4,845,109,422.96/80,121.03
  6. Step 6: Final answer
    x = 60,472.38

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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.