Finding the Fourth Proportional to 79,791.37, 110,112.84 and 43,982.67
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Solution
The fourth proportional to 79,791.37, 110,112.84 and 43,982.67 is: 60,696.50
Step by Step Solution
- Step 1: Write the proportion equation
79,791.37 : 110,112.84 = 43,982.67 : x - Step 2: Convert to fraction form
79,791.37/110,112.84 = 43,982.67/x - Step 3: Cross multiply
79,791.37x = 110,112.84 × 43,982.67 - Step 4: Simplify right side
79,791.37x = 4,843,056,704.48 - Step 5: Solve for x
x = 4,843,056,704.48/79,791.37 - Step 6: Final answer
x = 60,696.50
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1.5x scale
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.