Finding the Fourth Proportional to 84,571.82, 126,236.97 and 74,606.66
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Solution
The fourth proportional to 84,571.82, 126,236.97 and 74,606.66 is: 111,362.37
Step by Step Solution
- Step 1: Write the proportion equation
84,571.82 : 126,236.97 = 74,606.66 : x - Step 2: Convert to fraction form
84,571.82/126,236.97 = 74,606.66/x - Step 3: Cross multiply
84,571.82x = 126,236.97 × 74,606.66 - Step 4: Simplify right side
84,571.82x = 9,418,118,700.22 - Step 5: Solve for x
x = 9,418,118,700.22/84,571.82 - Step 6: Final answer
x = 111,362.37
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.