Home / 54,633.82-81,823.70-52,739.68

Finding the Fourth Proportional to 54,633.82, 81,823.70 and 52,739.68

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Solution

The fourth proportional to 54,633.82, 81,823.70 and 52,739.68 is: 78,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,633.82 : 81,823.70 = 52,739.68 : x
  2. Step 2: Convert to fraction form
    54,633.82/81,823.70 = 52,739.68/x
  3. Step 3: Cross multiply
    54,633.82x = 81,823.70 × 52,739.68
  4. Step 4: Simplify right side
    54,633.82x = 4,315,355,436.22
  5. Step 5: Solve for x
    x = 4,315,355,436.22/54,633.82
  6. Step 6: Final answer
    x = 78,986.88

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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.