Finding the Fourth Proportional to 88,629.81, 122,311.44 and 48,344.25
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Solution
The fourth proportional to 88,629.81, 122,311.44 and 48,344.25 is: 66,716.32
Step by Step Solution
- Step 1: Write the proportion equation
88,629.81 : 122,311.44 = 48,344.25 : x - Step 2: Convert to fraction form
88,629.81/122,311.44 = 48,344.25/x - Step 3: Cross multiply
88,629.81x = 122,311.44 × 48,344.25 - Step 4: Simplify right side
88,629.81x = 5,913,054,833.22 - Step 5: Solve for x
x = 5,913,054,833.22/88,629.81 - Step 6: Final answer
x = 66,716.32
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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.