Finding the Fourth Proportional to 75,569.66, 104,286.93 and 41,578.60
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Solution
The fourth proportional to 75,569.66, 104,286.93 and 41,578.60 is: 57,378.90
Step by Step Solution
- Step 1: Write the proportion equation
75,569.66 : 104,286.93 = 41,578.60 : x - Step 2: Convert to fraction form
75,569.66/104,286.93 = 41,578.60/x - Step 3: Cross multiply
75,569.66x = 104,286.93 × 41,578.60 - Step 4: Simplify right side
75,569.66x = 4,336,104,026.26 - Step 5: Solve for x
x = 4,336,104,026.26/75,569.66 - Step 6: Final answer
x = 57,378.90
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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.