Home / 54,498.99-81,769.24-18,964.26

Finding the Fourth Proportional to 54,498.99, 81,769.24 and 18,964.26

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Solution

The fourth proportional to 54,498.99, 81,769.24 and 18,964.26 is: 28,453.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,498.99 : 81,769.24 = 18,964.26 : x
  2. Step 2: Convert to fraction form
    54,498.99/81,769.24 = 18,964.26/x
  3. Step 3: Cross multiply
    54,498.99x = 81,769.24 × 18,964.26
  4. Step 4: Simplify right side
    54,498.99x = 1,550,692,718.52
  5. Step 5: Solve for x
    x = 1,550,692,718.52/54,498.99
  6. Step 6: Final answer
    x = 28,453.61

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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.