Finding the Fourth Proportional to 75,705.34, 104,471.99 and 41,716.96
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Solution
The fourth proportional to 75,705.34, 104,471.99 and 41,716.96 is: 57,568.65
Step by Step Solution
- Step 1: Write the proportion equation
75,705.34 : 104,471.99 = 41,716.96 : x - Step 2: Convert to fraction form
75,705.34/104,471.99 = 41,716.96/x - Step 3: Cross multiply
75,705.34x = 104,471.99 × 41,716.96 - Step 4: Simplify right side
75,705.34x = 4,358,253,906.39 - Step 5: Solve for x
x = 4,358,253,906.39/75,705.34 - Step 6: Final answer
x = 57,568.65
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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.