Home / 54,161.08-81,243.28-14,719.03

Finding the Fourth Proportional to 54,161.08, 81,243.28 and 14,719.03

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Solution

The fourth proportional to 54,161.08, 81,243.28 and 14,719.03 is: 22,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,161.08 : 81,243.28 = 14,719.03 : x
  2. Step 2: Convert to fraction form
    54,161.08/81,243.28 = 14,719.03/x
  3. Step 3: Cross multiply
    54,161.08x = 81,243.28 × 14,719.03
  4. Step 4: Simplify right side
    54,161.08x = 1,195,822,090.91
  5. Step 5: Solve for x
    x = 1,195,822,090.91/54,161.08
  6. Step 6: Final answer
    x = 22,078.99

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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.