Home / 115,906.10-173,729.55-49,334.90

Finding the Fourth Proportional to 115,906.10, 173,729.55 and 49,334.90

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Solution

The fourth proportional to 115,906.10, 173,729.55 and 49,334.90 is: 73,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,906.10 : 173,729.55 = 49,334.90 : x
  2. Step 2: Convert to fraction form
    115,906.10/173,729.55 = 49,334.90/x
  3. Step 3: Cross multiply
    115,906.10x = 173,729.55 × 49,334.90
  4. Step 4: Simplify right side
    115,906.10x = 8,570,929,976.30
  5. Step 5: Solve for x
    x = 8,570,929,976.30/115,906.10
  6. Step 6: Final answer
    x = 73,947.19

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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.