Finding the Fourth Proportional to 79,106.08, 118,678.15 and 32,359.09
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Solution
The fourth proportional to 79,106.08, 118,678.15 and 32,359.09 is: 48,546.42
Step by Step Solution
- Step 1: Write the proportion equation
79,106.08 : 118,678.15 = 32,359.09 : x - Step 2: Convert to fraction form
79,106.08/118,678.15 = 32,359.09/x - Step 3: Cross multiply
79,106.08x = 118,678.15 × 32,359.09 - Step 4: Simplify right side
79,106.08x = 3,840,316,680.64 - Step 5: Solve for x
x = 3,840,316,680.64/79,106.08 - Step 6: Final answer
x = 48,546.42
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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.