Home / 107,350.20-161,025.30-54,206.10

Finding the Fourth Proportional to 107,350.20, 161,025.30 and 54,206.10

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Solution

The fourth proportional to 107,350.20, 161,025.30 and 54,206.10 is: 81,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,350.20 : 161,025.30 = 54,206.10 : x
  2. Step 2: Convert to fraction form
    107,350.20/161,025.30 = 54,206.10/x
  3. Step 3: Cross multiply
    107,350.20x = 161,025.30 × 54,206.10
  4. Step 4: Simplify right side
    107,350.20x = 8,728,553,514.33
  5. Step 5: Solve for x
    x = 8,728,553,514.33/107,350.20
  6. Step 6: Final answer
    x = 81,309.15

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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.