Finding the Fourth Proportional to 80,193.72, 110,660.94 and 44,383.08
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Solution
The fourth proportional to 80,193.72, 110,660.94 and 44,383.08 is: 61,245.11
Step by Step Solution
- Step 1: Write the proportion equation
80,193.72 : 110,660.94 = 44,383.08 : x - Step 2: Convert to fraction form
80,193.72/110,660.94 = 44,383.08/x - Step 3: Cross multiply
80,193.72x = 110,660.94 × 44,383.08 - Step 4: Simplify right side
80,193.72x = 4,911,473,352.90 - Step 5: Solve for x
x = 4,911,473,352.90/80,193.72 - Step 6: Final answer
x = 61,245.11
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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.