Finding the Fourth Proportional to 79,113.44, 118,679.94 and 29,193.80
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Solution
The fourth proportional to 79,113.44, 118,679.94 and 29,193.80 is: 43,794.31
Step by Step Solution
- Step 1: Write the proportion equation
79,113.44 : 118,679.94 = 29,193.80 : x - Step 2: Convert to fraction form
79,113.44/118,679.94 = 29,193.80/x - Step 3: Cross multiply
79,113.44x = 118,679.94 × 29,193.80 - Step 4: Simplify right side
79,113.44x = 3,464,718,432.37 - Step 5: Solve for x
x = 3,464,718,432.37/79,113.44 - Step 6: Final answer
x = 43,794.31
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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.