Finding the Fourth Proportional to 85,395.99, 117,845.96 and 47,157.96
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Solution
The fourth proportional to 85,395.99, 117,845.96 and 47,157.96 is: 65,077.70
Step by Step Solution
- Step 1: Write the proportion equation
85,395.99 : 117,845.96 = 47,157.96 : x - Step 2: Convert to fraction form
85,395.99/117,845.96 = 47,157.96/x - Step 3: Cross multiply
85,395.99x = 117,845.96 × 47,157.96 - Step 4: Simplify right side
85,395.99x = 5,557,374,832.05 - Step 5: Solve for x
x = 5,557,374,832.05/85,395.99 - Step 6: Final answer
x = 65,077.70
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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.