Home / 100,965.76-151,449.20-41,769.36

Finding the Fourth Proportional to 100,965.76, 151,449.20 and 41,769.36

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Solution

The fourth proportional to 100,965.76, 151,449.20 and 41,769.36 is: 62,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,965.76 : 151,449.20 = 41,769.36 : x
  2. Step 2: Convert to fraction form
    100,965.76/151,449.20 = 41,769.36/x
  3. Step 3: Cross multiply
    100,965.76x = 151,449.20 × 41,769.36
  4. Step 4: Simplify right side
    100,965.76x = 6,325,936,156.51
  5. Step 5: Solve for x
    x = 6,325,936,156.51/100,965.76
  6. Step 6: Final answer
    x = 62,654.27

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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.