Home / 100,824.54-151,330.26-50,939.76

Finding the Fourth Proportional to 100,824.54, 151,330.26 and 50,939.76

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Solution

The fourth proportional to 100,824.54, 151,330.26 and 50,939.76 is: 76,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,824.54 : 151,330.26 = 50,939.76 : x
  2. Step 2: Convert to fraction form
    100,824.54/151,330.26 = 50,939.76/x
  3. Step 3: Cross multiply
    100,824.54x = 151,330.26 × 50,939.76
  4. Step 4: Simplify right side
    100,824.54x = 7,708,727,125.14
  5. Step 5: Solve for x
    x = 7,708,727,125.14/100,824.54
  6. Step 6: Final answer
    x = 76,456.85

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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.