Home / 71,540.28-98,724.69-41,325.48

Finding the Fourth Proportional to 71,540.28, 98,724.69 and 41,325.48

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Solution

The fourth proportional to 71,540.28, 98,724.69 and 41,325.48 is: 57,028.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,540.28 : 98,724.69 = 41,325.48 : x
  2. Step 2: Convert to fraction form
    71,540.28/98,724.69 = 41,325.48/x
  3. Step 3: Cross multiply
    71,540.28x = 98,724.69 × 41,325.48
  4. Step 4: Simplify right side
    71,540.28x = 4,079,845,202.10
  5. Step 5: Solve for x
    x = 4,079,845,202.10/71,540.28
  6. Step 6: Final answer
    x = 57,028.64

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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.