Finding the Fourth Proportional to 96,450.93, 133,099.26 and 53,428.68
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Solution
The fourth proportional to 96,450.93, 133,099.26 and 53,428.68 is: 73,729.90
Step by Step Solution
- Step 1: Write the proportion equation
96,450.93 : 133,099.26 = 53,428.68 : x - Step 2: Convert to fraction form
96,450.93/133,099.26 = 53,428.68/x - Step 3: Cross multiply
96,450.93x = 133,099.26 × 53,428.68 - Step 4: Simplify right side
96,450.93x = 7,111,317,770.78 - Step 5: Solve for x
x = 7,111,317,770.78/96,450.93 - Step 6: Final answer
x = 73,729.90
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1.5x scale
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.