Home / 54,415.49-81,612.29-16,969.52

Finding the Fourth Proportional to 54,415.49, 81,612.29 and 16,969.52

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Solution

The fourth proportional to 54,415.49, 81,612.29 and 16,969.52 is: 25,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,415.49 : 81,612.29 = 16,969.52 : x
  2. Step 2: Convert to fraction form
    54,415.49/81,612.29 = 16,969.52/x
  3. Step 3: Cross multiply
    54,415.49x = 81,612.29 × 16,969.52
  4. Step 4: Simplify right side
    54,415.49x = 1,384,921,633.86
  5. Step 5: Solve for x
    x = 1,384,921,633.86/54,415.49
  6. Step 6: Final answer
    x = 25,450.87

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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.