Home / 77,094.36-115,562.77-43,743.97

Finding the Fourth Proportional to 77,094.36, 115,562.77 and 43,743.97

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Solution

The fourth proportional to 77,094.36, 115,562.77 and 43,743.97 is: 65,571.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,094.36 : 115,562.77 = 43,743.97 : x
  2. Step 2: Convert to fraction form
    77,094.36/115,562.77 = 43,743.97/x
  3. Step 3: Cross multiply
    77,094.36x = 115,562.77 × 43,743.97
  4. Step 4: Simplify right side
    77,094.36x = 5,055,174,379.09
  5. Step 5: Solve for x
    x = 5,055,174,379.09/77,094.36
  6. Step 6: Final answer
    x = 65,571.26

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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.