Home / 101,836.39-152,734.80-51,221.92

Finding the Fourth Proportional to 101,836.39, 152,734.80 and 51,221.92

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Solution

The fourth proportional to 101,836.39, 152,734.80 and 51,221.92 is: 76,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,836.39 : 152,734.80 = 51,221.92 : x
  2. Step 2: Convert to fraction form
    101,836.39/152,734.80 = 51,221.92/x
  3. Step 3: Cross multiply
    101,836.39x = 152,734.80 × 51,221.92
  4. Step 4: Simplify right side
    101,836.39x = 7,823,369,706.82
  5. Step 5: Solve for x
    x = 7,823,369,706.82/101,836.39
  6. Step 6: Final answer
    x = 76,822.93

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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.