Home / 92,639.36-127,843.33-54,399.36

Finding the Fourth Proportional to 92,639.36, 127,843.33 and 54,399.36

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Solution

The fourth proportional to 92,639.36, 127,843.33 and 54,399.36 is: 75,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,639.36 : 127,843.33 = 54,399.36 : x
  2. Step 2: Convert to fraction form
    92,639.36/127,843.33 = 54,399.36/x
  3. Step 3: Cross multiply
    92,639.36x = 127,843.33 × 54,399.36
  4. Step 4: Simplify right side
    92,639.36x = 6,954,595,196.27
  5. Step 5: Solve for x
    x = 6,954,595,196.27/92,639.36
  6. Step 6: Final answer
    x = 75,071.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.