Finding the Fourth Proportional to 75,258.10, 112,850.70 and 41,942.80
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Solution
The fourth proportional to 75,258.10, 112,850.70 and 41,942.80 is: 62,893.89
Step by Step Solution
- Step 1: Write the proportion equation
75,258.10 : 112,850.70 = 41,942.80 : x - Step 2: Convert to fraction form
75,258.10/112,850.70 = 41,942.80/x - Step 3: Cross multiply
75,258.10x = 112,850.70 × 41,942.80 - Step 4: Simplify right side
75,258.10x = 4,733,274,339.96 - Step 5: Solve for x
x = 4,733,274,339.96/75,258.10 - Step 6: Final answer
x = 62,893.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.