Finding the Fourth Proportional to 71,716.60, 107,578.41 and 27,335.08
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Solution
The fourth proportional to 71,716.60, 107,578.41 and 27,335.08 is: 41,003.96
Step by Step Solution
- Step 1: Write the proportion equation
71,716.60 : 107,578.41 = 27,335.08 : x - Step 2: Convert to fraction form
71,716.60/107,578.41 = 27,335.08/x - Step 3: Cross multiply
71,716.60x = 107,578.41 × 27,335.08 - Step 4: Simplify right side
71,716.60x = 2,940,664,629.35 - Step 5: Solve for x
x = 2,940,664,629.35/71,716.60 - Step 6: Final answer
x = 41,003.96
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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.