Home / 55,138.40-82,716.25-23,548.62

Finding the Fourth Proportional to 55,138.40, 82,716.25 and 23,548.62

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Solution

The fourth proportional to 55,138.40, 82,716.25 and 23,548.62 is: 35,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,138.40 : 82,716.25 = 23,548.62 : x
  2. Step 2: Convert to fraction form
    55,138.40/82,716.25 = 23,548.62/x
  3. Step 3: Cross multiply
    55,138.40x = 82,716.25 × 23,548.62
  4. Step 4: Simplify right side
    55,138.40x = 1,947,853,480.20
  5. Step 5: Solve for x
    x = 1,947,853,480.20/55,138.40
  6. Step 6: Final answer
    x = 35,326.63

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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.