Home / 115,816.73-173,755.05-67,825.86

Finding the Fourth Proportional to 115,816.73, 173,755.05 and 67,825.86

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Solution

The fourth proportional to 115,816.73, 173,755.05 and 67,825.86 is: 101,756.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,816.73 : 173,755.05 = 67,825.86 : x
  2. Step 2: Convert to fraction form
    115,816.73/173,755.05 = 67,825.86/x
  3. Step 3: Cross multiply
    115,816.73x = 173,755.05 × 67,825.86
  4. Step 4: Simplify right side
    115,816.73x = 11,785,085,695.59
  5. Step 5: Solve for x
    x = 11,785,085,695.59/115,816.73
  6. Step 6: Final answer
    x = 101,756.34

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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.