Finding the Fourth Proportional to 80,917.80, 121,376.04 and 24,757.68
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Solution
The fourth proportional to 80,917.80, 121,376.04 and 24,757.68 is: 37,136.32
Step by Step Solution
- Step 1: Write the proportion equation
80,917.80 : 121,376.04 = 24,757.68 : x - Step 2: Convert to fraction form
80,917.80/121,376.04 = 24,757.68/x - Step 3: Cross multiply
80,917.80x = 121,376.04 × 24,757.68 - Step 4: Simplify right side
80,917.80x = 3,004,989,157.99 - Step 5: Solve for x
x = 3,004,989,157.99/80,917.80 - Step 6: Final answer
x = 37,136.32
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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.