Home / 77,553.15-106,996.09-50,711.37

Finding the Fourth Proportional to 77,553.15, 106,996.09 and 50,711.37

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Solution

The fourth proportional to 77,553.15, 106,996.09 and 50,711.37 is: 69,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,553.15 : 106,996.09 = 50,711.37 : x
  2. Step 2: Convert to fraction form
    77,553.15/106,996.09 = 50,711.37/x
  3. Step 3: Cross multiply
    77,553.15x = 106,996.09 × 50,711.37
  4. Step 4: Simplify right side
    77,553.15x = 5,425,917,773.56
  5. Step 5: Solve for x
    x = 5,425,917,773.56/77,553.15
  6. Step 6: Final answer
    x = 69,963.87

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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.