Home / 100,035.90-150,002.55-29,906.10

Finding the Fourth Proportional to 100,035.90, 150,002.55 and 29,906.10

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Solution

The fourth proportional to 100,035.90, 150,002.55 and 29,906.10 is: 44,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,035.90 : 150,002.55 = 29,906.10 : x
  2. Step 2: Convert to fraction form
    100,035.90/150,002.55 = 29,906.10/x
  3. Step 3: Cross multiply
    100,035.90x = 150,002.55 × 29,906.10
  4. Step 4: Simplify right side
    100,035.90x = 4,485,991,260.56
  5. Step 5: Solve for x
    x = 4,485,991,260.56/100,035.90
  6. Step 6: Final answer
    x = 44,843.81

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1.5x scale

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.