Finding the Fourth Proportional to 71,168.19, 106,717.40 and 23,766.99
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Solution
The fourth proportional to 71,168.19, 106,717.40 and 23,766.99 is: 35,638.83
Step by Step Solution
- Step 1: Write the proportion equation
71,168.19 : 106,717.40 = 23,766.99 : x - Step 2: Convert to fraction form
71,168.19/106,717.40 = 23,766.99/x - Step 3: Cross multiply
71,168.19x = 106,717.40 × 23,766.99 - Step 4: Simplify right side
71,168.19x = 2,536,351,378.63 - Step 5: Solve for x
x = 2,536,351,378.63/71,168.19 - Step 6: Final answer
x = 35,638.83
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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.