Finding the Fourth Proportional to 83,395.05, 125,091.78 and 36,043.62
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Solution
The fourth proportional to 83,395.05, 125,091.78 and 36,043.62 is: 54,065.09
Step by Step Solution
- Step 1: Write the proportion equation
83,395.05 : 125,091.78 = 36,043.62 : x - Step 2: Convert to fraction form
83,395.05/125,091.78 = 36,043.62/x - Step 3: Cross multiply
83,395.05x = 125,091.78 × 36,043.62 - Step 4: Simplify right side
83,395.05x = 4,508,760,583.44 - Step 5: Solve for x
x = 4,508,760,583.44/83,395.05 - Step 6: Final answer
x = 54,065.09
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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.