Finding the Fourth Proportional to 75,991.41, 104,868.92 and 41,537.12
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Solution
The fourth proportional to 75,991.41, 104,868.92 and 41,537.12 is: 57,321.66
Step by Step Solution
- Step 1: Write the proportion equation
75,991.41 : 104,868.92 = 41,537.12 : x - Step 2: Convert to fraction form
75,991.41/104,868.92 = 41,537.12/x - Step 3: Cross multiply
75,991.41x = 104,868.92 × 41,537.12 - Step 4: Simplify right side
75,991.41x = 4,355,953,261.82 - Step 5: Solve for x
x = 4,355,953,261.82/75,991.41 - Step 6: Final answer
x = 57,321.66
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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.