Finding the Fourth Proportional to 68,324.46, 102,486.65 and 21,577.34
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Solution
The fourth proportional to 68,324.46, 102,486.65 and 21,577.34 is: 32,365.99
Step by Step Solution
- Step 1: Write the proportion equation
68,324.46 : 102,486.65 = 21,577.34 : x - Step 2: Convert to fraction form
68,324.46/102,486.65 = 21,577.34/x - Step 3: Cross multiply
68,324.46x = 102,486.65 × 21,577.34 - Step 4: Simplify right side
68,324.46x = 2,211,388,672.19 - Step 5: Solve for x
x = 2,211,388,672.19/68,324.46 - Step 6: Final answer
x = 32,365.99
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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.