Finding the Fourth Proportional to 91,922.68, 126,850.44 and 51,640.84
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Solution
The fourth proportional to 91,922.68, 126,850.44 and 51,640.84 is: 71,262.75
Step by Step Solution
- Step 1: Write the proportion equation
91,922.68 : 126,850.44 = 51,640.84 : x - Step 2: Convert to fraction form
91,922.68/126,850.44 = 51,640.84/x - Step 3: Cross multiply
91,922.68x = 126,850.44 × 51,640.84 - Step 4: Simplify right side
91,922.68x = 6,550,663,275.97 - Step 5: Solve for x
x = 6,550,663,275.97/91,922.68 - Step 6: Final answer
x = 71,262.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.