Home / 57,099.20-78,812.73-33,230.48

Finding the Fourth Proportional to 57,099.20, 78,812.73 and 33,230.48

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Solution

The fourth proportional to 57,099.20, 78,812.73 and 33,230.48 is: 45,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,099.20 : 78,812.73 = 33,230.48 : x
  2. Step 2: Convert to fraction form
    57,099.20/78,812.73 = 33,230.48/x
  3. Step 3: Cross multiply
    57,099.20x = 78,812.73 × 33,230.48
  4. Step 4: Simplify right side
    57,099.20x = 2,618,984,453.95
  5. Step 5: Solve for x
    x = 2,618,984,453.95/57,099.20
  6. Step 6: Final answer
    x = 45,867.27

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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.