Home / 54,431.44-81,571.16-29,417.56

Finding the Fourth Proportional to 54,431.44, 81,571.16 and 29,417.56

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Solution

The fourth proportional to 54,431.44, 81,571.16 and 29,417.56 is: 44,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431.44 : 81,571.16 = 29,417.56 : x
  2. Step 2: Convert to fraction form
    54,431.44/81,571.16 = 29,417.56/x
  3. Step 3: Cross multiply
    54,431.44x = 81,571.16 × 29,417.56
  4. Step 4: Simplify right side
    54,431.44x = 2,399,624,493.57
  5. Step 5: Solve for x
    x = 2,399,624,493.57/54,431.44
  6. Step 6: Final answer
    x = 44,085.27

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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.