Home / 115,410.88-173,137.38-40,508.56

Finding the Fourth Proportional to 115,410.88, 173,137.38 and 40,508.56

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Solution

The fourth proportional to 115,410.88, 173,137.38 and 40,508.56 is: 60,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,410.88 : 173,137.38 = 40,508.56 : x
  2. Step 2: Convert to fraction form
    115,410.88/173,137.38 = 40,508.56/x
  3. Step 3: Cross multiply
    115,410.88x = 173,137.38 × 40,508.56
  4. Step 4: Simplify right side
    115,410.88x = 7,013,545,945.97
  5. Step 5: Solve for x
    x = 7,013,545,945.97/115,410.88
  6. Step 6: Final answer
    x = 60,770.23

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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.