Finding the Fourth Proportional to 71,001.73, 106,524.70 and 21,082.09
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Solution
The fourth proportional to 71,001.73, 106,524.70 and 21,082.09 is: 31,629.70
Step by Step Solution
- Step 1: Write the proportion equation
71,001.73 : 106,524.70 = 21,082.09 : x - Step 2: Convert to fraction form
71,001.73/106,524.70 = 21,082.09/x - Step 3: Cross multiply
71,001.73x = 106,524.70 × 21,082.09 - Step 4: Simplify right side
71,001.73x = 2,245,763,193.34 - Step 5: Solve for x
x = 2,245,763,193.34/71,001.73 - Step 6: Final answer
x = 31,629.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.