Home / 78,745.26-108,680.92-46,932.61

Finding the Fourth Proportional to 78,745.26, 108,680.92 and 46,932.61

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Solution

The fourth proportional to 78,745.26, 108,680.92 and 46,932.61 is: 64,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,745.26 : 108,680.92 = 46,932.61 : x
  2. Step 2: Convert to fraction form
    78,745.26/108,680.92 = 46,932.61/x
  3. Step 3: Cross multiply
    78,745.26x = 108,680.92 × 46,932.61
  4. Step 4: Simplify right side
    78,745.26x = 5,100,679,232.80
  5. Step 5: Solve for x
    x = 5,100,679,232.80/78,745.26
  6. Step 6: Final answer
    x = 64,774.43

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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.