Finding the Fourth Proportional to 83,706.21, 125,452.46 and 39,234.98
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Solution
The fourth proportional to 83,706.21, 125,452.46 and 39,234.98 is: 58,802.39
Step by Step Solution
- Step 1: Write the proportion equation
83,706.21 : 125,452.46 = 39,234.98 : x - Step 2: Convert to fraction form
83,706.21/125,452.46 = 39,234.98/x - Step 3: Cross multiply
83,706.21x = 125,452.46 × 39,234.98 - Step 4: Simplify right side
83,706.21x = 4,922,125,170.77 - Step 5: Solve for x
x = 4,922,125,170.77/83,706.21 - Step 6: Final answer
x = 58,802.39
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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.