Home / 76,896.20-115,347.76-23,584.28

Finding the Fourth Proportional to 76,896.20, 115,347.76 and 23,584.28

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Solution

The fourth proportional to 76,896.20, 115,347.76 and 23,584.28 is: 35,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,896.20 : 115,347.76 = 23,584.28 : x
  2. Step 2: Convert to fraction form
    76,896.20/115,347.76 = 23,584.28/x
  3. Step 3: Cross multiply
    76,896.20x = 115,347.76 × 23,584.28
  4. Step 4: Simplify right side
    76,896.20x = 2,720,393,869.21
  5. Step 5: Solve for x
    x = 2,720,393,869.21/76,896.20
  6. Step 6: Final answer
    x = 35,377.48

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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.