Home / 115,917.30-173,735.55-49,217.40

Finding the Fourth Proportional to 115,917.30, 173,735.55 and 49,217.40

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Solution

The fourth proportional to 115,917.30, 173,735.55 and 49,217.40 is: 73,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,917.30 : 173,735.55 = 49,217.40 : x
  2. Step 2: Convert to fraction form
    115,917.30/173,735.55 = 49,217.40/x
  3. Step 3: Cross multiply
    115,917.30x = 173,735.55 × 49,217.40
  4. Step 4: Simplify right side
    115,917.30x = 8,550,812,058.57
  5. Step 5: Solve for x
    x = 8,550,812,058.57/115,917.30
  6. Step 6: Final answer
    x = 73,766.49

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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.