Finding the Fourth Proportional to 73,766.88, 110,378.16 and 44,205.12
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Solution
The fourth proportional to 73,766.88, 110,378.16 and 44,205.12 is: 66,144.59
Step by Step Solution
- Step 1: Write the proportion equation
73,766.88 : 110,378.16 = 44,205.12 : x - Step 2: Convert to fraction form
73,766.88/110,378.16 = 44,205.12/x - Step 3: Cross multiply
73,766.88x = 110,378.16 × 44,205.12 - Step 4: Simplify right side
73,766.88x = 4,879,279,808.18 - Step 5: Solve for x
x = 4,879,279,808.18/73,766.88 - Step 6: Final answer
x = 66,144.59
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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.