Home / 76,942.96-115,328.16-50,340.07

Finding the Fourth Proportional to 76,942.96, 115,328.16 and 50,340.07

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Solution

The fourth proportional to 76,942.96, 115,328.16 and 50,340.07 is: 75,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,942.96 : 115,328.16 = 50,340.07 : x
  2. Step 2: Convert to fraction form
    76,942.96/115,328.16 = 50,340.07/x
  3. Step 3: Cross multiply
    76,942.96x = 115,328.16 × 50,340.07
  4. Step 4: Simplify right side
    76,942.96x = 5,805,627,647.37
  5. Step 5: Solve for x
    x = 5,805,627,647.37/76,942.96
  6. Step 6: Final answer
    x = 75,453.66

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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.