Finding the Fourth Proportional to 88,512.26, 122,145.37 and 48,226.32
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Solution
The fourth proportional to 88,512.26, 122,145.37 and 48,226.32 is: 66,551.48
Step by Step Solution
- Step 1: Write the proportion equation
88,512.26 : 122,145.37 = 48,226.32 : x - Step 2: Convert to fraction form
88,512.26/122,145.37 = 48,226.32/x - Step 3: Cross multiply
88,512.26x = 122,145.37 × 48,226.32 - Step 4: Simplify right side
88,512.26x = 5,890,621,579.57 - Step 5: Solve for x
x = 5,890,621,579.57/88,512.26 - Step 6: Final answer
x = 66,551.48
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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.