Finding the Fourth Proportional to 112,007.92, 167,953.52 and 52,827.68
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Solution
The fourth proportional to 112,007.92, 167,953.52 and 52,827.68 is: 79,213.99
Step by Step Solution
- Step 1: Write the proportion equation
112,007.92 : 167,953.52 = 52,827.68 : x - Step 2: Convert to fraction form
112,007.92/167,953.52 = 52,827.68/x - Step 3: Cross multiply
112,007.92x = 167,953.52 × 52,827.68 - Step 4: Simplify right side
112,007.92x = 8,872,594,809.43 - Step 5: Solve for x
x = 8,872,594,809.43/112,007.92 - Step 6: Final answer
x = 79,213.99
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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.