Finding the Fourth Proportional to 80,110.08, 120,163.80 and 32,714.75
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Solution
The fourth proportional to 80,110.08, 120,163.80 and 32,714.75 is: 49,071.59
Step by Step Solution
- Step 1: Write the proportion equation
80,110.08 : 120,163.80 = 32,714.75 : x - Step 2: Convert to fraction form
80,110.08/120,163.80 = 32,714.75/x - Step 3: Cross multiply
80,110.08x = 120,163.80 × 32,714.75 - Step 4: Simplify right side
80,110.08x = 3,931,129,099.14 - Step 5: Solve for x
x = 3,931,129,099.14/80,110.08 - Step 6: Final answer
x = 49,071.59
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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.