Home / 79,801.20-110,121.24-43,991.16

Finding the Fourth Proportional to 79,801.20, 110,121.24 and 43,991.16

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Solution

The fourth proportional to 79,801.20, 110,121.24 and 43,991.16 is: 60,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,801.20 : 110,121.24 = 43,991.16 : x
  2. Step 2: Convert to fraction form
    79,801.20/110,121.24 = 43,991.16/x
  3. Step 3: Cross multiply
    79,801.20x = 110,121.24 × 43,991.16
  4. Step 4: Simplify right side
    79,801.20x = 4,844,361,088.24
  5. Step 5: Solve for x
    x = 4,844,361,088.24/79,801.20
  6. Step 6: Final answer
    x = 60,705.37

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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.