Home / 75,928.32-104,787.36-41,939.91

Finding the Fourth Proportional to 75,928.32, 104,787.36 and 41,939.91

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Solution

The fourth proportional to 75,928.32, 104,787.36 and 41,939.91 is: 57,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,928.32 : 104,787.36 = 41,939.91 : x
  2. Step 2: Convert to fraction form
    75,928.32/104,787.36 = 41,939.91/x
  3. Step 3: Cross multiply
    75,928.32x = 104,787.36 × 41,939.91
  4. Step 4: Simplify right side
    75,928.32x = 4,394,772,447.54
  5. Step 5: Solve for x
    x = 4,394,772,447.54/75,928.32
  6. Step 6: Final answer
    x = 57,880.54

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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.