Finding the Fourth Proportional to 84,453.36, 126,716.88 and 40,111.44
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Solution
The fourth proportional to 84,453.36, 126,716.88 and 40,111.44 is: 60,184.66
Step by Step Solution
- Step 1: Write the proportion equation
84,453.36 : 126,716.88 = 40,111.44 : x - Step 2: Convert to fraction form
84,453.36/126,716.88 = 40,111.44/x - Step 3: Cross multiply
84,453.36x = 126,716.88 × 40,111.44 - Step 4: Simplify right side
84,453.36x = 5,082,796,529.11 - Step 5: Solve for x
x = 5,082,796,529.11/84,453.36 - Step 6: Final answer
x = 60,184.66
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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.