Finding the Fourth Proportional to 80,129.58, 120,193.02 and 32,734.26
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Solution
The fourth proportional to 80,129.58, 120,193.02 and 32,734.26 is: 49,100.84
Step by Step Solution
- Step 1: Write the proportion equation
80,129.58 : 120,193.02 = 32,734.26 : x - Step 2: Convert to fraction form
80,129.58/120,193.02 = 32,734.26/x - Step 3: Cross multiply
80,129.58x = 120,193.02 × 32,734.26 - Step 4: Simplify right side
80,129.58x = 3,934,429,566.87 - Step 5: Solve for x
x = 3,934,429,566.87/80,129.58 - Step 6: Final answer
x = 49,100.84
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1.5x scale
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.