Home / 54,189.29-81,291.69-16,752.62

Finding the Fourth Proportional to 54,189.29, 81,291.69 and 16,752.62

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Solution

The fourth proportional to 54,189.29, 81,291.69 and 16,752.62 is: 25,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,189.29 : 81,291.69 = 16,752.62 : x
  2. Step 2: Convert to fraction form
    54,189.29/81,291.69 = 16,752.62/x
  3. Step 3: Cross multiply
    54,189.29x = 81,291.69 × 16,752.62
  4. Step 4: Simplify right side
    54,189.29x = 1,361,848,385.27
  5. Step 5: Solve for x
    x = 1,361,848,385.27/54,189.29
  6. Step 6: Final answer
    x = 25,131.32

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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.