Home / 77,256.25-115,936.31-27,336.15

Finding the Fourth Proportional to 77,256.25, 115,936.31 and 27,336.15

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Solution

The fourth proportional to 77,256.25, 115,936.31 and 27,336.15 is: 41,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,256.25 : 115,936.31 = 27,336.15 : x
  2. Step 2: Convert to fraction form
    77,256.25/115,936.31 = 27,336.15/x
  3. Step 3: Cross multiply
    77,256.25x = 115,936.31 × 27,336.15
  4. Step 4: Simplify right side
    77,256.25x = 3,169,252,428.95
  5. Step 5: Solve for x
    x = 3,169,252,428.95/77,256.25
  6. Step 6: Final answer
    x = 41,022.60

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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.