Finding the Fourth Proportional to 68,213.75, 102,384.61 and 41,969.75
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Solution
The fourth proportional to 68,213.75, 102,384.61 and 41,969.75 is: 62,993.99
Step by Step Solution
- Step 1: Write the proportion equation
68,213.75 : 102,384.61 = 41,969.75 : x - Step 2: Convert to fraction form
68,213.75/102,384.61 = 41,969.75/x - Step 3: Cross multiply
68,213.75x = 102,384.61 × 41,969.75 - Step 4: Simplify right side
68,213.75x = 4,297,055,868.70 - Step 5: Solve for x
x = 4,297,055,868.70/68,213.75 - Step 6: Final answer
x = 62,993.99
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1.5x scale
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.