Finding the Fourth Proportional to 83,816.14, 125,697.32 and 27,643.62
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Solution
The fourth proportional to 83,816.14, 125,697.32 and 27,643.62 is: 41,456.56
Step by Step Solution
- Step 1: Write the proportion equation
83,816.14 : 125,697.32 = 27,643.62 : x - Step 2: Convert to fraction form
83,816.14/125,697.32 = 27,643.62/x - Step 3: Cross multiply
83,816.14x = 125,697.32 × 27,643.62 - Step 4: Simplify right side
83,816.14x = 3,474,728,949.10 - Step 5: Solve for x
x = 3,474,728,949.10/83,816.14 - Step 6: Final answer
x = 41,456.56
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1.5x scale
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.