Finding the Fourth Proportional to 91,530.36, 126,297.22 and 51,245.80
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Solution
The fourth proportional to 91,530.36, 126,297.22 and 51,245.80 is: 70,710.99
Step by Step Solution
- Step 1: Write the proportion equation
91,530.36 : 126,297.22 = 51,245.80 : x - Step 2: Convert to fraction form
91,530.36/126,297.22 = 51,245.80/x - Step 3: Cross multiply
91,530.36x = 126,297.22 × 51,245.80 - Step 4: Simplify right side
91,530.36x = 6,472,202,076.68 - Step 5: Solve for x
x = 6,472,202,076.68/91,530.36 - Step 6: Final answer
x = 70,710.99
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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.