Home / 115,764.88-173,660-36,860.56

Finding the Fourth Proportional to 115,764.88, 173,660 and 36,860.56

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Solution

The fourth proportional to 115,764.88, 173,660 and 36,860.56 is: 55,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,764.88 : 173,660 = 36,860.56 : x
  2. Step 2: Convert to fraction form
    115,764.88/173,660 = 36,860.56/x
  3. Step 3: Cross multiply
    115,764.88x = 173,660 × 36,860.56
  4. Step 4: Simplify right side
    115,764.88x = 6,401,204,849.60
  5. Step 5: Solve for x
    x = 6,401,204,849.60/115,764.88
  6. Step 6: Final answer
    x = 55,294.88

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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.