Home / 100,769.42-151,029.56-50,863.75

Finding the Fourth Proportional to 100,769.42, 151,029.56 and 50,863.75

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Solution

The fourth proportional to 100,769.42, 151,029.56 and 50,863.75 is: 76,232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,769.42 : 151,029.56 = 50,863.75 : x
  2. Step 2: Convert to fraction form
    100,769.42/151,029.56 = 50,863.75/x
  3. Step 3: Cross multiply
    100,769.42x = 151,029.56 × 50,863.75
  4. Step 4: Simplify right side
    100,769.42x = 7,681,929,532.04
  5. Step 5: Solve for x
    x = 7,681,929,532.04/100,769.42
  6. Step 6: Final answer
    x = 76,232.74

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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.