Finding the Fourth Proportional to 79,224.92, 118,852.36 and 31,843.70
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Solution
The fourth proportional to 79,224.92, 118,852.36 and 31,843.70 is: 47,771.57
Step by Step Solution
- Step 1: Write the proportion equation
79,224.92 : 118,852.36 = 31,843.70 : x - Step 2: Convert to fraction form
79,224.92/118,852.36 = 31,843.70/x - Step 3: Cross multiply
79,224.92x = 118,852.36 × 31,843.70 - Step 4: Simplify right side
79,224.92x = 3,784,698,222.26 - Step 5: Solve for x
x = 3,784,698,222.26/79,224.92 - Step 6: Final answer
x = 47,771.57
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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.