Finding the Fourth Proportional to 122,791.26, 169,450.14 and 69,076.32
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Solution
The fourth proportional to 122,791.26, 169,450.14 and 69,076.32 is: 95,324.31
Step by Step Solution
- Step 1: Write the proportion equation
122,791.26 : 169,450.14 = 69,076.32 : x - Step 2: Convert to fraction form
122,791.26/169,450.14 = 69,076.32/x - Step 3: Cross multiply
122,791.26x = 169,450.14 × 69,076.32 - Step 4: Simplify right side
122,791.26x = 11,704,992,094.68 - Step 5: Solve for x
x = 11,704,992,094.68/122,791.26 - Step 6: Final answer
x = 95,324.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.