Finding the Fourth Proportional to 98,640.25, 147,979.82 and 32,076.09
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Solution
The fourth proportional to 98,640.25, 147,979.82 and 32,076.09 is: 48,120.46
Step by Step Solution
- Step 1: Write the proportion equation
98,640.25 : 147,979.82 = 32,076.09 : x - Step 2: Convert to fraction form
98,640.25/147,979.82 = 32,076.09/x - Step 3: Cross multiply
98,640.25x = 147,979.82 × 32,076.09 - Step 4: Simplify right side
98,640.25x = 4,746,613,864.12 - Step 5: Solve for x
x = 4,746,613,864.12/98,640.25 - Step 6: Final answer
x = 48,120.46
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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.