Home / 71,399.28-98,530.92-43,099.44

Finding the Fourth Proportional to 71,399.28, 98,530.92 and 43,099.44

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Solution

The fourth proportional to 71,399.28, 98,530.92 and 43,099.44 is: 59,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,399.28 : 98,530.92 = 43,099.44 : x
  2. Step 2: Convert to fraction form
    71,399.28/98,530.92 = 43,099.44/x
  3. Step 3: Cross multiply
    71,399.28x = 98,530.92 × 43,099.44
  4. Step 4: Simplify right side
    71,399.28x = 4,246,627,474.68
  5. Step 5: Solve for x
    x = 4,246,627,474.68/71,399.28
  6. Step 6: Final answer
    x = 59,477.18

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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.