Home / 54,563.33-81,844.77-15,120.33

Finding the Fourth Proportional to 54,563.33, 81,844.77 and 15,120.33

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Solution

The fourth proportional to 54,563.33, 81,844.77 and 15,120.33 is: 22,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,563.33 : 81,844.77 = 15,120.33 : x
  2. Step 2: Convert to fraction form
    54,563.33/81,844.77 = 15,120.33/x
  3. Step 3: Cross multiply
    54,563.33x = 81,844.77 × 15,120.33
  4. Step 4: Simplify right side
    54,563.33x = 1,237,519,931.17
  5. Step 5: Solve for x
    x = 1,237,519,931.17/54,563.33
  6. Step 6: Final answer
    x = 22,680.43

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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.