Home / 77,340.65-115,994.25-27,422.37

Finding the Fourth Proportional to 77,340.65, 115,994.25 and 27,422.37

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Solution

The fourth proportional to 77,340.65, 115,994.25 and 27,422.37 is: 41,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,340.65 : 115,994.25 = 27,422.37 : x
  2. Step 2: Convert to fraction form
    77,340.65/115,994.25 = 27,422.37/x
  3. Step 3: Cross multiply
    77,340.65x = 115,994.25 × 27,422.37
  4. Step 4: Simplify right side
    77,340.65x = 3,180,837,241.37
  5. Step 5: Solve for x
    x = 3,180,837,241.37/77,340.65
  6. Step 6: Final answer
    x = 41,127.63

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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.