Home / 101,865.05-152,811.51-38,691.81

Finding the Fourth Proportional to 101,865.05, 152,811.51 and 38,691.81

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Solution

The fourth proportional to 101,865.05, 152,811.51 and 38,691.81 is: 58,043.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,865.05 : 152,811.51 = 38,691.81 : x
  2. Step 2: Convert to fraction form
    101,865.05/152,811.51 = 38,691.81/x
  3. Step 3: Cross multiply
    101,865.05x = 152,811.51 × 38,691.81
  4. Step 4: Simplify right side
    101,865.05x = 5,912,553,910.73
  5. Step 5: Solve for x
    x = 5,912,553,910.73/101,865.05
  6. Step 6: Final answer
    x = 58,043.01

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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.