Home / 54,629.44-81,916.70-31,840.62

Finding the Fourth Proportional to 54,629.44, 81,916.70 and 31,840.62

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Solution

The fourth proportional to 54,629.44, 81,916.70 and 31,840.62 is: 47,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,629.44 : 81,916.70 = 31,840.62 : x
  2. Step 2: Convert to fraction form
    54,629.44/81,916.70 = 31,840.62/x
  3. Step 3: Cross multiply
    54,629.44x = 81,916.70 × 31,840.62
  4. Step 4: Simplify right side
    54,629.44x = 2,608,278,516.35
  5. Step 5: Solve for x
    x = 2,608,278,516.35/54,629.44
  6. Step 6: Final answer
    x = 47,744.93

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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.