Home / 104,991.10-157,375.24-51,607.80

Finding the Fourth Proportional to 104,991.10, 157,375.24 and 51,607.80

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Solution

The fourth proportional to 104,991.10, 157,375.24 and 51,607.80 is: 77,356.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,991.10 : 157,375.24 = 51,607.80 : x
  2. Step 2: Convert to fraction form
    104,991.10/157,375.24 = 51,607.80/x
  3. Step 3: Cross multiply
    104,991.10x = 157,375.24 × 51,607.80
  4. Step 4: Simplify right side
    104,991.10x = 8,121,789,910.87
  5. Step 5: Solve for x
    x = 8,121,789,910.87/104,991.10
  6. Step 6: Final answer
    x = 77,356.94

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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.