Home / 54,093.70-81,140.60-14,112.64

Finding the Fourth Proportional to 54,093.70, 81,140.60 and 14,112.64

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Solution

The fourth proportional to 54,093.70, 81,140.60 and 14,112.64 is: 21,168.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,093.70 : 81,140.60 = 14,112.64 : x
  2. Step 2: Convert to fraction form
    54,093.70/81,140.60 = 14,112.64/x
  3. Step 3: Cross multiply
    54,093.70x = 81,140.60 × 14,112.64
  4. Step 4: Simplify right side
    54,093.70x = 1,145,108,077.18
  5. Step 5: Solve for x
    x = 1,145,108,077.18/54,093.70
  6. Step 6: Final answer
    x = 21,168.97

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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.