Finding the Fourth Proportional to 69,157.62, 103,674.88 and 27,028.12
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Solution
The fourth proportional to 69,157.62, 103,674.88 and 27,028.12 is: 40,518.12
Step by Step Solution
- Step 1: Write the proportion equation
69,157.62 : 103,674.88 = 27,028.12 : x - Step 2: Convert to fraction form
69,157.62/103,674.88 = 27,028.12/x - Step 3: Cross multiply
69,157.62x = 103,674.88 × 27,028.12 - Step 4: Simplify right side
69,157.62x = 2,802,136,872.22 - Step 5: Solve for x
x = 2,802,136,872.22/69,157.62 - Step 6: Final answer
x = 40,518.12
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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.