Finding the Fourth Proportional to 73,893.92, 110,841.12 and 18,489.92
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Solution
The fourth proportional to 73,893.92, 110,841.12 and 18,489.92 is: 27,734.94
Step by Step Solution
- Step 1: Write the proportion equation
73,893.92 : 110,841.12 = 18,489.92 : x - Step 2: Convert to fraction form
73,893.92/110,841.12 = 18,489.92/x - Step 3: Cross multiply
73,893.92x = 110,841.12 × 18,489.92 - Step 4: Simplify right side
73,893.92x = 2,049,443,441.51 - Step 5: Solve for x
x = 2,049,443,441.51/73,893.92 - Step 6: Final answer
x = 27,734.94
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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.