Finding the Fourth Proportional to 108,520.75, 162,780.04 and 29,634.99
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Solution
The fourth proportional to 108,520.75, 162,780.04 and 29,634.99 is: 44,452.19
Step by Step Solution
- Step 1: Write the proportion equation
108,520.75 : 162,780.04 = 29,634.99 : x - Step 2: Convert to fraction form
108,520.75/162,780.04 = 29,634.99/x - Step 3: Cross multiply
108,520.75x = 162,780.04 × 29,634.99 - Step 4: Simplify right side
108,520.75x = 4,823,984,857.60 - Step 5: Solve for x
x = 4,823,984,857.60/108,520.75 - Step 6: Final answer
x = 44,452.19
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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.