Finding the Fourth Proportional to 91,151.62, 136,731.48 and 27,967.12
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Solution
The fourth proportional to 91,151.62, 136,731.48 and 27,967.12 is: 41,951.92
Step by Step Solution
- Step 1: Write the proportion equation
91,151.62 : 136,731.48 = 27,967.12 : x - Step 2: Convert to fraction form
91,151.62/136,731.48 = 27,967.12/x - Step 3: Cross multiply
91,151.62x = 136,731.48 × 27,967.12 - Step 4: Simplify right side
91,151.62x = 3,823,985,708.94 - Step 5: Solve for x
x = 3,823,985,708.94/91,151.62 - Step 6: Final answer
x = 41,951.92
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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.