Finding the Fourth Proportional to 75,091.60, 103,622.16 and 41,093.68
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Solution
The fourth proportional to 75,091.60, 103,622.16 and 41,093.68 is: 56,706.95
Step by Step Solution
- Step 1: Write the proportion equation
75,091.60 : 103,622.16 = 41,093.68 : x - Step 2: Convert to fraction form
75,091.60/103,622.16 = 41,093.68/x - Step 3: Cross multiply
75,091.60x = 103,622.16 × 41,093.68 - Step 4: Simplify right side
75,091.60x = 4,258,215,883.95 - Step 5: Solve for x
x = 4,258,215,883.95/75,091.60 - Step 6: Final answer
x = 56,706.95
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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.