Finding the Fourth Proportional to 98,324.36, 135,687.30 and 53,612.36
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Solution
The fourth proportional to 98,324.36, 135,687.30 and 53,612.36 is: 73,984.88
Step by Step Solution
- Step 1: Write the proportion equation
98,324.36 : 135,687.30 = 53,612.36 : x - Step 2: Convert to fraction form
98,324.36/135,687.30 = 53,612.36/x - Step 3: Cross multiply
98,324.36x = 135,687.30 × 53,612.36 - Step 4: Simplify right side
98,324.36x = 7,274,516,375.03 - Step 5: Solve for x
x = 7,274,516,375.03/98,324.36 - Step 6: Final answer
x = 73,984.88
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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.