Home / 101,869.20-152,818.36-31,753.98

Finding the Fourth Proportional to 101,869.20, 152,818.36 and 31,753.98

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Solution

The fourth proportional to 101,869.20, 152,818.36 and 31,753.98 is: 47,635.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,869.20 : 152,818.36 = 31,753.98 : x
  2. Step 2: Convert to fraction form
    101,869.20/152,818.36 = 31,753.98/x
  3. Step 3: Cross multiply
    101,869.20x = 152,818.36 × 31,753.98
  4. Step 4: Simplify right side
    101,869.20x = 4,852,591,067.69
  5. Step 5: Solve for x
    x = 4,852,591,067.69/101,869.20
  6. Step 6: Final answer
    x = 47,635.51

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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.