Home / 43,725.25-65,601.71-15,644.68

Finding the Fourth Proportional to 43,725.25, 65,601.71 and 15,644.68

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Solution

The fourth proportional to 43,725.25, 65,601.71 and 15,644.68 is: 23,471.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,725.25 : 65,601.71 = 15,644.68 : x
  2. Step 2: Convert to fraction form
    43,725.25/65,601.71 = 15,644.68/x
  3. Step 3: Cross multiply
    43,725.25x = 65,601.71 × 15,644.68
  4. Step 4: Simplify right side
    43,725.25x = 1,026,317,760.40
  5. Step 5: Solve for x
    x = 1,026,317,760.40/43,725.25
  6. Step 6: Final answer
    x = 23,471.97

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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.