Finding the Fourth Proportional to 68,626.40, 102,853.20 and 60,850.40
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Solution
The fourth proportional to 68,626.40, 102,853.20 and 60,850.40 is: 91,198.99
Step by Step Solution
- Step 1: Write the proportion equation
68,626.40 : 102,853.20 = 60,850.40 : x - Step 2: Convert to fraction form
68,626.40/102,853.20 = 60,850.40/x - Step 3: Cross multiply
68,626.40x = 102,853.20 × 60,850.40 - Step 4: Simplify right side
68,626.40x = 6,258,658,361.28 - Step 5: Solve for x
x = 6,258,658,361.28/68,626.40 - Step 6: Final answer
x = 91,198.99
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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.