Home / 100,936.03-151,421.87-41,738.55

Finding the Fourth Proportional to 100,936.03, 151,421.87 and 41,738.55

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Solution

The fourth proportional to 100,936.03, 151,421.87 and 41,738.55 is: 62,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,936.03 : 151,421.87 = 41,738.55 : x
  2. Step 2: Convert to fraction form
    100,936.03/151,421.87 = 41,738.55/x
  3. Step 3: Cross multiply
    100,936.03x = 151,421.87 × 41,738.55
  4. Step 4: Simplify right side
    100,936.03x = 6,320,129,292.09
  5. Step 5: Solve for x
    x = 6,320,129,292.09/100,936.03
  6. Step 6: Final answer
    x = 62,615.20

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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.