Home / 75,387.37-104,029.92-41,395.72

Finding the Fourth Proportional to 75,387.37, 104,029.92 and 41,395.72

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Solution

The fourth proportional to 75,387.37, 104,029.92 and 41,395.72 is: 57,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,387.37 : 104,029.92 = 41,395.72 : x
  2. Step 2: Convert to fraction form
    75,387.37/104,029.92 = 41,395.72/x
  3. Step 3: Cross multiply
    75,387.37x = 104,029.92 × 41,395.72
  4. Step 4: Simplify right side
    75,387.37x = 4,306,393,439.94
  5. Step 5: Solve for x
    x = 4,306,393,439.94/75,387.37
  6. Step 6: Final answer
    x = 57,123.54

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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.