Home / 75,517.55-104,202.56-43,689.41

Finding the Fourth Proportional to 75,517.55, 104,202.56 and 43,689.41

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Solution

The fourth proportional to 75,517.55, 104,202.56 and 43,689.41 is: 60,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,517.55 : 104,202.56 = 43,689.41 : x
  2. Step 2: Convert to fraction form
    75,517.55/104,202.56 = 43,689.41/x
  3. Step 3: Cross multiply
    75,517.55x = 104,202.56 × 43,689.41
  4. Step 4: Simplify right side
    75,517.55x = 4,552,548,148.44
  5. Step 5: Solve for x
    x = 4,552,548,148.44/75,517.55
  6. Step 6: Final answer
    x = 60,284.64

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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.