Home / 100,125.29-150,164.21-36,911.07

Finding the Fourth Proportional to 100,125.29, 150,164.21 and 36,911.07

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Solution

The fourth proportional to 100,125.29, 150,164.21 and 36,911.07 is: 55,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,125.29 : 150,164.21 = 36,911.07 : x
  2. Step 2: Convert to fraction form
    100,125.29/150,164.21 = 36,911.07/x
  3. Step 3: Cross multiply
    100,125.29x = 150,164.21 × 36,911.07
  4. Step 4: Simplify right side
    100,125.29x = 5,542,721,759.08
  5. Step 5: Solve for x
    x = 5,542,721,759.08/100,125.29
  6. Step 6: Final answer
    x = 55,357.86

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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.