Home / 54,220.11-81,321.96-14,780.34

Finding the Fourth Proportional to 54,220.11, 81,321.96 and 14,780.34

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Solution

The fourth proportional to 54,220.11, 81,321.96 and 14,780.34 is: 22,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,220.11 : 81,321.96 = 14,780.34 : x
  2. Step 2: Convert to fraction form
    54,220.11/81,321.96 = 14,780.34/x
  3. Step 3: Cross multiply
    54,220.11x = 81,321.96 × 14,780.34
  4. Step 4: Simplify right side
    54,220.11x = 1,201,966,218.27
  5. Step 5: Solve for x
    x = 1,201,966,218.27/54,220.11
  6. Step 6: Final answer
    x = 22,168.27

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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.