Home / 67,906.28-102,025.48-64,129.60

Finding the Fourth Proportional to 67,906.28, 102,025.48 and 64,129.60

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Solution

The fourth proportional to 67,906.28, 102,025.48 and 64,129.60 is: 96,351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,906.28 : 102,025.48 = 64,129.60 : x
  2. Step 2: Convert to fraction form
    67,906.28/102,025.48 = 64,129.60/x
  3. Step 3: Cross multiply
    67,906.28x = 102,025.48 × 64,129.60
  4. Step 4: Simplify right side
    67,906.28x = 6,542,853,222.21
  5. Step 5: Solve for x
    x = 6,542,853,222.21/67,906.28
  6. Step 6: Final answer
    x = 96,351.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.