Finding the Fourth Proportional to 87,672.63, 131,567.20 and 32,268.63
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Solution
The fourth proportional to 87,672.63, 131,567.20 and 32,268.63 is: 48,424.39
Step by Step Solution
- Step 1: Write the proportion equation
87,672.63 : 131,567.20 = 32,268.63 : x - Step 2: Convert to fraction form
87,672.63/131,567.20 = 32,268.63/x - Step 3: Cross multiply
87,672.63x = 131,567.20 × 32,268.63 - Step 4: Simplify right side
87,672.63x = 4,245,493,216.26 - Step 5: Solve for x
x = 4,245,493,216.26/87,672.63 - Step 6: Final answer
x = 48,424.39
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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.