Home / 88,942.31-122,771.64-54,976.85

Finding the Fourth Proportional to 88,942.31, 122,771.64 and 54,976.85

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Solution

The fourth proportional to 88,942.31, 122,771.64 and 54,976.85 is: 75,887.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,942.31 : 122,771.64 = 54,976.85 : x
  2. Step 2: Convert to fraction form
    88,942.31/122,771.64 = 54,976.85/x
  3. Step 3: Cross multiply
    88,942.31x = 122,771.64 × 54,976.85
  4. Step 4: Simplify right side
    88,942.31x = 6,749,598,036.53
  5. Step 5: Solve for x
    x = 6,749,598,036.53/88,942.31
  6. Step 6: Final answer
    x = 75,887.37

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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.