Home / 54,519.36-81,772.22-14,541.36

Finding the Fourth Proportional to 54,519.36, 81,772.22 and 14,541.36

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Solution

The fourth proportional to 54,519.36, 81,772.22 and 14,541.36 is: 21,810.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,519.36 : 81,772.22 = 14,541.36 : x
  2. Step 2: Convert to fraction form
    54,519.36/81,772.22 = 14,541.36/x
  3. Step 3: Cross multiply
    54,519.36x = 81,772.22 × 14,541.36
  4. Step 4: Simplify right side
    54,519.36x = 1,189,079,289.02
  5. Step 5: Solve for x
    x = 1,189,079,289.02/54,519.36
  6. Step 6: Final answer
    x = 21,810.22

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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.