Home / 76,600.39-114,863.67-26,679.38

Finding the Fourth Proportional to 76,600.39, 114,863.67 and 26,679.38

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Solution

The fourth proportional to 76,600.39, 114,863.67 and 26,679.38 is: 40,006.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,600.39 : 114,863.67 = 26,679.38 : x
  2. Step 2: Convert to fraction form
    76,600.39/114,863.67 = 26,679.38/x
  3. Step 3: Cross multiply
    76,600.39x = 114,863.67 × 26,679.38
  4. Step 4: Simplify right side
    76,600.39x = 3,064,491,456.59
  5. Step 5: Solve for x
    x = 3,064,491,456.59/76,600.39
  6. Step 6: Final answer
    x = 40,006.21

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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.