Home / 115,380.82-173,077.53-36,489.16

Finding the Fourth Proportional to 115,380.82, 173,077.53 and 36,489.16

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Solution

The fourth proportional to 115,380.82, 173,077.53 and 36,489.16 is: 54,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,380.82 : 173,077.53 = 36,489.16 : x
  2. Step 2: Convert to fraction form
    115,380.82/173,077.53 = 36,489.16/x
  3. Step 3: Cross multiply
    115,380.82x = 173,077.53 × 36,489.16
  4. Step 4: Simplify right side
    115,380.82x = 6,315,453,684.57
  5. Step 5: Solve for x
    x = 6,315,453,684.57/115,380.82
  6. Step 6: Final answer
    x = 54,735.73

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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.