Finding the Fourth Proportional to 91,187.68, 136,845.76 and 32,027.96
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Solution
The fourth proportional to 91,187.68, 136,845.76 and 32,027.96 is: 48,064.50
Step by Step Solution
- Step 1: Write the proportion equation
91,187.68 : 136,845.76 = 32,027.96 : x - Step 2: Convert to fraction form
91,187.68/136,845.76 = 32,027.96/x - Step 3: Cross multiply
91,187.68x = 136,845.76 × 32,027.96 - Step 4: Simplify right side
91,187.68x = 4,382,890,527.45 - Step 5: Solve for x
x = 4,382,890,527.45/91,187.68 - Step 6: Final answer
x = 48,064.50
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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.