Finding the Fourth Proportional to 79,167.42, 118,794.87 and 44,126.82
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Solution
The fourth proportional to 79,167.42, 118,794.87 and 44,126.82 is: 66,214.61
Step by Step Solution
- Step 1: Write the proportion equation
79,167.42 : 118,794.87 = 44,126.82 : x - Step 2: Convert to fraction form
79,167.42/118,794.87 = 44,126.82/x - Step 3: Cross multiply
79,167.42x = 118,794.87 × 44,126.82 - Step 4: Simplify right side
79,167.42x = 5,242,039,845.41 - Step 5: Solve for x
x = 5,242,039,845.41/79,167.42 - Step 6: Final answer
x = 66,214.61
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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.