Finding the Fourth Proportional to 85,019.26, 117,327.56 and 48,719.99
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Solution
The fourth proportional to 85,019.26, 117,327.56 and 48,719.99 is: 67,234.15
Step by Step Solution
- Step 1: Write the proportion equation
85,019.26 : 117,327.56 = 48,719.99 : x - Step 2: Convert to fraction form
85,019.26/117,327.56 = 48,719.99/x - Step 3: Cross multiply
85,019.26x = 117,327.56 × 48,719.99 - Step 4: Simplify right side
85,019.26x = 5,716,197,549.92 - Step 5: Solve for x
x = 5,716,197,549.92/85,019.26 - Step 6: Final answer
x = 67,234.15
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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.