Finding the Fourth Proportional to 75,361.44, 103,992.27 and 41,369.79
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Solution
The fourth proportional to 75,361.44, 103,992.27 and 41,369.79 is: 57,086.73
Step by Step Solution
- Step 1: Write the proportion equation
75,361.44 : 103,992.27 = 41,369.79 : x - Step 2: Convert to fraction form
75,361.44/103,992.27 = 41,369.79/x - Step 3: Cross multiply
75,361.44x = 103,992.27 × 41,369.79 - Step 4: Simplify right side
75,361.44x = 4,302,138,371.52 - Step 5: Solve for x
x = 4,302,138,371.52/75,361.44 - Step 6: Final answer
x = 57,086.73
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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.