Finding the Fourth Proportional to 75,561.66, 113,342.49 and 33,960.06
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Solution
The fourth proportional to 75,561.66, 113,342.49 and 33,960.06 is: 50,940.09
Step by Step Solution
- Step 1: Write the proportion equation
75,561.66 : 113,342.49 = 33,960.06 : x - Step 2: Convert to fraction form
75,561.66/113,342.49 = 33,960.06/x - Step 3: Cross multiply
75,561.66x = 113,342.49 × 33,960.06 - Step 4: Simplify right side
75,561.66x = 3,849,117,760.95 - Step 5: Solve for x
x = 3,849,117,760.95/75,561.66 - Step 6: Final answer
x = 50,940.09
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Double scale
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Similar ratio
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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.