Home / 54,086.21-81,158.36-22,518.06

Finding the Fourth Proportional to 54,086.21, 81,158.36 and 22,518.06

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Solution

The fourth proportional to 54,086.21, 81,158.36 and 22,518.06 is: 33,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,086.21 : 81,158.36 = 22,518.06 : x
  2. Step 2: Convert to fraction form
    54,086.21/81,158.36 = 22,518.06/x
  3. Step 3: Cross multiply
    54,086.21x = 81,158.36 × 22,518.06
  4. Step 4: Simplify right side
    54,086.21x = 1,827,528,819.98
  5. Step 5: Solve for x
    x = 1,827,528,819.98/54,086.21
  6. Step 6: Final answer
    x = 33,789.18

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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.