Finding the Fourth Proportional to 88,512.13, 122,145.18 and 48,226.18
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Solution
The fourth proportional to 88,512.13, 122,145.18 and 48,226.18 is: 66,551.28
Step by Step Solution
- Step 1: Write the proportion equation
88,512.13 : 122,145.18 = 48,226.18 : x - Step 2: Convert to fraction form
88,512.13/122,145.18 = 48,226.18/x - Step 3: Cross multiply
88,512.13x = 122,145.18 × 48,226.18 - Step 4: Simplify right side
88,512.13x = 5,890,595,436.81 - Step 5: Solve for x
x = 5,890,595,436.81/88,512.13 - Step 6: Final answer
x = 66,551.28
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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.