Finding the Fourth Proportional to 75,786.76, 104,583.32 and 41,796.68
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Solution
The fourth proportional to 75,786.76, 104,583.32 and 41,796.68 is: 57,678.09
Step by Step Solution
- Step 1: Write the proportion equation
75,786.76 : 104,583.32 = 41,796.68 : x - Step 2: Convert to fraction form
75,786.76/104,583.32 = 41,796.68/x - Step 3: Cross multiply
75,786.76x = 104,583.32 × 41,796.68 - Step 4: Simplify right side
75,786.76x = 4,371,235,559.38 - Step 5: Solve for x
x = 4,371,235,559.38/75,786.76 - Step 6: Final answer
x = 57,678.09
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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.