Home / 100,721.32-151,100.22-41,524.04

Finding the Fourth Proportional to 100,721.32, 151,100.22 and 41,524.04

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Solution

The fourth proportional to 100,721.32, 151,100.22 and 41,524.04 is: 62,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,721.32 : 151,100.22 = 41,524.04 : x
  2. Step 2: Convert to fraction form
    100,721.32/151,100.22 = 41,524.04/x
  3. Step 3: Cross multiply
    100,721.32x = 151,100.22 × 41,524.04
  4. Step 4: Simplify right side
    100,721.32x = 6,274,291,579.29
  5. Step 5: Solve for x
    x = 6,274,291,579.29/100,721.32
  6. Step 6: Final answer
    x = 62,293.58

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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.