Finding the Fourth Proportional to 80,102.79, 120,152.84 and 32,707.44
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Solution
The fourth proportional to 80,102.79, 120,152.84 and 32,707.44 is: 49,060.61
Step by Step Solution
- Step 1: Write the proportion equation
80,102.79 : 120,152.84 = 32,707.44 : x - Step 2: Convert to fraction form
80,102.79/120,152.84 = 32,707.44/x - Step 3: Cross multiply
80,102.79x = 120,152.84 × 32,707.44 - Step 4: Simplify right side
80,102.79x = 3,929,891,641.59 - Step 5: Solve for x
x = 3,929,891,641.59/80,102.79 - Step 6: Final answer
x = 49,060.61
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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.