Home / 54,561.58-81,842.36-15,118.66

Finding the Fourth Proportional to 54,561.58, 81,842.36 and 15,118.66

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Solution

The fourth proportional to 54,561.58, 81,842.36 and 15,118.66 is: 22,677.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,561.58 : 81,842.36 = 15,118.66 : x
  2. Step 2: Convert to fraction form
    54,561.58/81,842.36 = 15,118.66/x
  3. Step 3: Cross multiply
    54,561.58x = 81,842.36 × 15,118.66
  4. Step 4: Simplify right side
    54,561.58x = 1,237,346,814.44
  5. Step 5: Solve for x
    x = 1,237,346,814.44/54,561.58
  6. Step 6: Final answer
    x = 22,677.99

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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.