Finding the Fourth Proportional to 68,576.16, 102,782.04 and 35,311.92
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Solution
The fourth proportional to 68,576.16, 102,782.04 and 35,311.92 is: 52,925.55
Step by Step Solution
- Step 1: Write the proportion equation
68,576.16 : 102,782.04 = 35,311.92 : x - Step 2: Convert to fraction form
68,576.16/102,782.04 = 35,311.92/x - Step 3: Cross multiply
68,576.16x = 102,782.04 × 35,311.92 - Step 4: Simplify right side
68,576.16x = 3,629,431,173.92 - Step 5: Solve for x
x = 3,629,431,173.92/68,576.16 - Step 6: Final answer
x = 52,925.55
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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.