Finding the Fourth Proportional to 79,878.70, 110,232.62 and 44,068.80
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Solution
The fourth proportional to 79,878.70, 110,232.62 and 44,068.80 is: 60,814.95
Step by Step Solution
- Step 1: Write the proportion equation
79,878.70 : 110,232.62 = 44,068.80 : x - Step 2: Convert to fraction form
79,878.70/110,232.62 = 44,068.80/x - Step 3: Cross multiply
79,878.70x = 110,232.62 × 44,068.80 - Step 4: Simplify right side
79,878.70x = 4,857,819,284.26 - Step 5: Solve for x
x = 4,857,819,284.26/79,878.70 - Step 6: Final answer
x = 60,814.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.