Finding the Fourth Proportional to 68,442.44, 102,628.58 and 36,439.67
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Solution
The fourth proportional to 68,442.44, 102,628.58 and 36,439.67 is: 54,640.83
Step by Step Solution
- Step 1: Write the proportion equation
68,442.44 : 102,628.58 = 36,439.67 : x - Step 2: Convert to fraction form
68,442.44/102,628.58 = 36,439.67/x - Step 3: Cross multiply
68,442.44x = 102,628.58 × 36,439.67 - Step 4: Simplify right side
68,442.44x = 3,739,751,662.14 - Step 5: Solve for x
x = 3,739,751,662.14/68,442.44 - Step 6: Final answer
x = 54,640.83
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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.