Finding the Fourth Proportional to 91,523.32, 126,304.32 and 51,236.08
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Solution
The fourth proportional to 91,523.32, 126,304.32 and 51,236.08 is: 70,706.99
Step by Step Solution
- Step 1: Write the proportion equation
91,523.32 : 126,304.32 = 51,236.08 : x - Step 2: Convert to fraction form
91,523.32/126,304.32 = 51,236.08/x - Step 3: Cross multiply
91,523.32x = 126,304.32 × 51,236.08 - Step 4: Simplify right side
91,523.32x = 6,471,338,243.87 - Step 5: Solve for x
x = 6,471,338,243.87/91,523.32 - Step 6: Final answer
x = 70,706.99
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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.