Home / 101,227.73-139,702.52-58,221.15

Finding the Fourth Proportional to 101,227.73, 139,702.52 and 58,221.15

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Solution

The fourth proportional to 101,227.73, 139,702.52 and 58,221.15 is: 80,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,227.73 : 139,702.52 = 58,221.15 : x
  2. Step 2: Convert to fraction form
    101,227.73/139,702.52 = 58,221.15/x
  3. Step 3: Cross multiply
    101,227.73x = 139,702.52 × 58,221.15
  4. Step 4: Simplify right side
    101,227.73x = 8,133,640,993.97
  5. Step 5: Solve for x
    x = 8,133,640,993.97/101,227.73
  6. Step 6: Final answer
    x = 80,349.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.