Home / 76,940.11-115,422.92-27,007.25

Finding the Fourth Proportional to 76,940.11, 115,422.92 and 27,007.25

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Solution

The fourth proportional to 76,940.11, 115,422.92 and 27,007.25 is: 40,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,940.11 : 115,422.92 = 27,007.25 : x
  2. Step 2: Convert to fraction form
    76,940.11/115,422.92 = 27,007.25/x
  3. Step 3: Cross multiply
    76,940.11x = 115,422.92 × 27,007.25
  4. Step 4: Simplify right side
    76,940.11x = 3,117,255,656.17
  5. Step 5: Solve for x
    x = 3,117,255,656.17/76,940.11
  6. Step 6: Final answer
    x = 40,515.35

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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.