Home / 54,189.79-81,292.44-16,753.12

Finding the Fourth Proportional to 54,189.79, 81,292.44 and 16,753.12

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Solution

The fourth proportional to 54,189.79, 81,292.44 and 16,753.12 is: 25,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,189.79 : 81,292.44 = 16,753.12 : x
  2. Step 2: Convert to fraction form
    54,189.79/81,292.44 = 16,753.12/x
  3. Step 3: Cross multiply
    54,189.79x = 81,292.44 × 16,753.12
  4. Step 4: Simplify right side
    54,189.79x = 1,361,901,595.95
  5. Step 5: Solve for x
    x = 1,361,901,595.95/54,189.79
  6. Step 6: Final answer
    x = 25,132.07

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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.