Finding the Fourth Proportional to 68,086.85, 102,130.12 and 32,439.96
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Solution
The fourth proportional to 68,086.85, 102,130.12 and 32,439.96 is: 48,659.87
Step by Step Solution
- Step 1: Write the proportion equation
68,086.85 : 102,130.12 = 32,439.96 : x - Step 2: Convert to fraction form
68,086.85/102,130.12 = 32,439.96/x - Step 3: Cross multiply
68,086.85x = 102,130.12 × 32,439.96 - Step 4: Simplify right side
68,086.85x = 3,313,097,431.13 - Step 5: Solve for x
x = 3,313,097,431.13/68,086.85 - Step 6: Final answer
x = 48,659.87
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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.