Finding the Fourth Proportional to 73,914.09, 110,873.57 and 21,324.03
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Solution
The fourth proportional to 73,914.09, 110,873.57 and 21,324.03 is: 31,986.75
Step by Step Solution
- Step 1: Write the proportion equation
73,914.09 : 110,873.57 = 21,324.03 : x - Step 2: Convert to fraction form
73,914.09/110,873.57 = 21,324.03/x - Step 3: Cross multiply
73,914.09x = 110,873.57 × 21,324.03 - Step 4: Simplify right side
73,914.09x = 2,364,271,226.27 - Step 5: Solve for x
x = 2,364,271,226.27/73,914.09 - Step 6: Final answer
x = 31,986.75
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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.