Home / 99,272.66-148,910.52-31,817.38

Finding the Fourth Proportional to 99,272.66, 148,910.52 and 31,817.38

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Solution

The fourth proportional to 99,272.66, 148,910.52 and 31,817.38 is: 47,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,272.66 : 148,910.52 = 31,817.38 : x
  2. Step 2: Convert to fraction form
    99,272.66/148,910.52 = 31,817.38/x
  3. Step 3: Cross multiply
    99,272.66x = 148,910.52 × 31,817.38
  4. Step 4: Simplify right side
    99,272.66x = 4,737,942,092.38
  5. Step 5: Solve for x
    x = 4,737,942,092.38/99,272.66
  6. Step 6: Final answer
    x = 47,726.56

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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.