Home / 79,659.45-109,930.03-43,361.04

Finding the Fourth Proportional to 79,659.45, 109,930.03 and 43,361.04

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Solution

The fourth proportional to 79,659.45, 109,930.03 and 43,361.04 is: 59,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,659.45 : 109,930.03 = 43,361.04 : x
  2. Step 2: Convert to fraction form
    79,659.45/109,930.03 = 43,361.04/x
  3. Step 3: Cross multiply
    79,659.45x = 109,930.03 × 43,361.04
  4. Step 4: Simplify right side
    79,659.45x = 4,766,679,661.58
  5. Step 5: Solve for x
    x = 4,766,679,661.58/79,659.45
  6. Step 6: Final answer
    x = 59,838.22

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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.