Home / 101,906.25-152,876.66-31,771.59

Finding the Fourth Proportional to 101,906.25, 152,876.66 and 31,771.59

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Solution

The fourth proportional to 101,906.25, 152,876.66 and 31,771.59 is: 47,662.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,906.25 : 152,876.66 = 31,771.59 : x
  2. Step 2: Convert to fraction form
    101,906.25/152,876.66 = 31,771.59/x
  3. Step 3: Cross multiply
    101,906.25x = 152,876.66 × 31,771.59
  4. Step 4: Simplify right side
    101,906.25x = 4,857,134,403.23
  5. Step 5: Solve for x
    x = 4,857,134,403.23/101,906.25
  6. Step 6: Final answer
    x = 47,662.77

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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.