Home / 115,942.60-173,618.63-76,379.77

Finding the Fourth Proportional to 115,942.60, 173,618.63 and 76,379.77

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Solution

The fourth proportional to 115,942.60, 173,618.63 and 76,379.77 is: 114,375.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,942.60 : 173,618.63 = 76,379.77 : x
  2. Step 2: Convert to fraction form
    115,942.60/173,618.63 = 76,379.77/x
  3. Step 3: Cross multiply
    115,942.60x = 173,618.63 × 76,379.77
  4. Step 4: Simplify right side
    115,942.60x = 13,260,950,172.06
  5. Step 5: Solve for x
    x = 13,260,950,172.06/115,942.60
  6. Step 6: Final answer
    x = 114,375.14

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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.