Home / 54,223.70-81,333.15-14,780.81

Finding the Fourth Proportional to 54,223.70, 81,333.15 and 14,780.81

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Solution

The fourth proportional to 54,223.70, 81,333.15 and 14,780.81 is: 22,170.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,223.70 : 81,333.15 = 14,780.81 : x
  2. Step 2: Convert to fraction form
    54,223.70/81,333.15 = 14,780.81/x
  3. Step 3: Cross multiply
    54,223.70x = 81,333.15 × 14,780.81
  4. Step 4: Simplify right side
    54,223.70x = 1,202,169,836.85
  5. Step 5: Solve for x
    x = 1,202,169,836.85/54,223.70
  6. Step 6: Final answer
    x = 22,170.56

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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.