Finding the Fourth Proportional to 85,350.18, 117,776.25 and 47,623.62
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Solution
The fourth proportional to 85,350.18, 117,776.25 and 47,623.62 is: 65,716.69
Step by Step Solution
- Step 1: Write the proportion equation
85,350.18 : 117,776.25 = 47,623.62 : x - Step 2: Convert to fraction form
85,350.18/117,776.25 = 47,623.62/x - Step 3: Cross multiply
85,350.18x = 117,776.25 × 47,623.62 - Step 4: Simplify right side
85,350.18x = 5,608,931,375.03 - Step 5: Solve for x
x = 5,608,931,375.03/85,350.18 - Step 6: Final answer
x = 65,716.69
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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.