Finding the Fourth Proportional to 69,682.55, 104,524.25 and 17,091.99
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Solution
The fourth proportional to 69,682.55, 104,524.25 and 17,091.99 is: 25,638.09
Step by Step Solution
- Step 1: Write the proportion equation
69,682.55 : 104,524.25 = 17,091.99 : x - Step 2: Convert to fraction form
69,682.55/104,524.25 = 17,091.99/x - Step 3: Cross multiply
69,682.55x = 104,524.25 × 17,091.99 - Step 4: Simplify right side
69,682.55x = 1,786,527,350.30 - Step 5: Solve for x
x = 1,786,527,350.30/69,682.55 - Step 6: Final answer
x = 25,638.09
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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.