Finding the Fourth Proportional to 91,957.44, 126,901.08 and 53,743.44
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Solution
The fourth proportional to 91,957.44, 126,901.08 and 53,743.44 is: 74,165.84
Step by Step Solution
- Step 1: Write the proportion equation
91,957.44 : 126,901.08 = 53,743.44 : x - Step 2: Convert to fraction form
91,957.44/126,901.08 = 53,743.44/x - Step 3: Cross multiply
91,957.44x = 126,901.08 × 53,743.44 - Step 4: Simplify right side
91,957.44x = 6,820,100,578.92 - Step 5: Solve for x
x = 6,820,100,578.92/91,957.44 - Step 6: Final answer
x = 74,165.84
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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.