Home / 80,120.45-110,553.94-46,122.37

Finding the Fourth Proportional to 80,120.45, 110,553.94 and 46,122.37

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Solution

The fourth proportional to 80,120.45, 110,553.94 and 46,122.37 is: 63,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,120.45 : 110,553.94 = 46,122.37 : x
  2. Step 2: Convert to fraction form
    80,120.45/110,553.94 = 46,122.37/x
  3. Step 3: Cross multiply
    80,120.45x = 110,553.94 × 46,122.37
  4. Step 4: Simplify right side
    80,120.45x = 5,099,009,725.64
  5. Step 5: Solve for x
    x = 5,099,009,725.64/80,120.45
  6. Step 6: Final answer
    x = 63,641.80

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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.