Finding the Fourth Proportional to 71,091.24, 106,561.08 and 53,506.68
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Solution
The fourth proportional to 71,091.24, 106,561.08 and 53,506.68 is: 80,202.98
Step by Step Solution
- Step 1: Write the proportion equation
71,091.24 : 106,561.08 = 53,506.68 : x - Step 2: Convert to fraction form
71,091.24/106,561.08 = 53,506.68/x - Step 3: Cross multiply
71,091.24x = 106,561.08 × 53,506.68 - Step 4: Simplify right side
71,091.24x = 5,701,729,608.01 - Step 5: Solve for x
x = 5,701,729,608.01/71,091.24 - Step 6: Final answer
x = 80,202.98
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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.