Home / 115,578.15-173,318.01-45,408.25

Finding the Fourth Proportional to 115,578.15, 173,318.01 and 45,408.25

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Solution

The fourth proportional to 115,578.15, 173,318.01 and 45,408.25 is: 68,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,578.15 : 173,318.01 = 45,408.25 : x
  2. Step 2: Convert to fraction form
    115,578.15/173,318.01 = 45,408.25/x
  3. Step 3: Cross multiply
    115,578.15x = 173,318.01 × 45,408.25
  4. Step 4: Simplify right side
    115,578.15x = 7,870,067,527.58
  5. Step 5: Solve for x
    x = 7,870,067,527.58/115,578.15
  6. Step 6: Final answer
    x = 68,093.04

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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.