Home / 76,922.85-106,117.13-50,055.56

Finding the Fourth Proportional to 76,922.85, 106,117.13 and 50,055.56

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Solution

The fourth proportional to 76,922.85, 106,117.13 and 50,055.56 is: 69,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,922.85 : 106,117.13 = 50,055.56 : x
  2. Step 2: Convert to fraction form
    76,922.85/106,117.13 = 50,055.56/x
  3. Step 3: Cross multiply
    76,922.85x = 106,117.13 × 50,055.56
  4. Step 4: Simplify right side
    76,922.85x = 5,311,751,586.88
  5. Step 5: Solve for x
    x = 5,311,751,586.88/76,922.85
  6. Step 6: Final answer
    x = 69,052.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.