Finding the Fourth Proportional to 85,213.96, 117,589.98 and 46,971.53
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Solution
The fourth proportional to 85,213.96, 117,589.98 and 46,971.53 is: 64,817.80
Step by Step Solution
- Step 1: Write the proportion equation
85,213.96 : 117,589.98 = 46,971.53 : x - Step 2: Convert to fraction form
85,213.96/117,589.98 = 46,971.53/x - Step 3: Cross multiply
85,213.96x = 117,589.98 × 46,971.53 - Step 4: Simplify right side
85,213.96x = 5,523,380,744.44 - Step 5: Solve for x
x = 5,523,380,744.44/85,213.96 - Step 6: Final answer
x = 64,817.80
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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.