Home / 54,091.44-81,035.64-31,838.04

Finding the Fourth Proportional to 54,091.44, 81,035.64 and 31,838.04

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Solution

The fourth proportional to 54,091.44, 81,035.64 and 31,838.04 is: 47,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,091.44 : 81,035.64 = 31,838.04 : x
  2. Step 2: Convert to fraction form
    54,091.44/81,035.64 = 31,838.04/x
  3. Step 3: Cross multiply
    54,091.44x = 81,035.64 × 31,838.04
  4. Step 4: Simplify right side
    54,091.44x = 2,580,015,947.75
  5. Step 5: Solve for x
    x = 2,580,015,947.75/54,091.44
  6. Step 6: Final answer
    x = 47,697.31

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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.