Finding the Fourth Proportional to 91,549.44, 126,340.32 and 51,262.08
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Solution
The fourth proportional to 91,549.44, 126,340.32 and 51,262.08 is: 70,742.84
Step by Step Solution
- Step 1: Write the proportion equation
91,549.44 : 126,340.32 = 51,262.08 : x - Step 2: Convert to fraction form
91,549.44/126,340.32 = 51,262.08/x - Step 3: Cross multiply
91,549.44x = 126,340.32 × 51,262.08 - Step 4: Simplify right side
91,549.44x = 6,476,467,591.07 - Step 5: Solve for x
x = 6,476,467,591.07/91,549.44 - Step 6: Final answer
x = 70,742.84
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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.