Home / 101,932.72-152,836.96-45,761.92

Finding the Fourth Proportional to 101,932.72, 152,836.96 and 45,761.92

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Solution

The fourth proportional to 101,932.72, 152,836.96 and 45,761.92 is: 68,614.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,932.72 : 152,836.96 = 45,761.92 : x
  2. Step 2: Convert to fraction form
    101,932.72/152,836.96 = 45,761.92/x
  3. Step 3: Cross multiply
    101,932.72x = 152,836.96 × 45,761.92
  4. Step 4: Simplify right side
    101,932.72x = 6,994,112,736.56
  5. Step 5: Solve for x
    x = 6,994,112,736.56/101,932.72
  6. Step 6: Final answer
    x = 68,614.99

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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.