Home / 75,439.72-104,108.56-41,450.33

Finding the Fourth Proportional to 75,439.72, 104,108.56 and 41,450.33

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Solution

The fourth proportional to 75,439.72, 104,108.56 and 41,450.33 is: 57,202.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,439.72 : 104,108.56 = 41,450.33 : x
  2. Step 2: Convert to fraction form
    75,439.72/104,108.56 = 41,450.33/x
  3. Step 3: Cross multiply
    75,439.72x = 104,108.56 × 41,450.33
  4. Step 4: Simplify right side
    75,439.72x = 4,315,334,324.47
  5. Step 5: Solve for x
    x = 4,315,334,324.47/75,439.72
  6. Step 6: Final answer
    x = 57,202.42

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1.5x scale

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.