Finding the Fourth Proportional to 83,838.20, 125,769.81 and 27,684.26
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Solution
The fourth proportional to 83,838.20, 125,769.81 and 27,684.26 is: 41,530.52
Step by Step Solution
- Step 1: Write the proportion equation
83,838.20 : 125,769.81 = 27,684.26 : x - Step 2: Convert to fraction form
83,838.20/125,769.81 = 27,684.26/x - Step 3: Cross multiply
83,838.20x = 125,769.81 × 27,684.26 - Step 4: Simplify right side
83,838.20x = 3,481,844,120.19 - Step 5: Solve for x
x = 3,481,844,120.19/83,838.20 - Step 6: Final answer
x = 41,530.52
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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.