Home / 54,119.36-81,186.69-16,682.48

Finding the Fourth Proportional to 54,119.36, 81,186.69 and 16,682.48

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Solution

The fourth proportional to 54,119.36, 81,186.69 and 16,682.48 is: 25,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,119.36 : 81,186.69 = 16,682.48 : x
  2. Step 2: Convert to fraction form
    54,119.36/81,186.69 = 16,682.48/x
  3. Step 3: Cross multiply
    54,119.36x = 81,186.69 × 16,682.48
  4. Step 4: Simplify right side
    54,119.36x = 1,354,395,332.19
  5. Step 5: Solve for x
    x = 1,354,395,332.19/54,119.36
  6. Step 6: Final answer
    x = 25,026.08

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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.