Home / 77,054.33-115,614.89-27,170.06

Finding the Fourth Proportional to 77,054.33, 115,614.89 and 27,170.06

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Solution

The fourth proportional to 77,054.33, 115,614.89 and 27,170.06 is: 40,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,054.33 : 115,614.89 = 27,170.06 : x
  2. Step 2: Convert to fraction form
    77,054.33/115,614.89 = 27,170.06/x
  3. Step 3: Cross multiply
    77,054.33x = 115,614.89 × 27,170.06
  4. Step 4: Simplify right side
    77,054.33x = 3,141,263,498.19
  5. Step 5: Solve for x
    x = 3,141,263,498.19/77,054.33
  6. Step 6: Final answer
    x = 40,766.87

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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.