Finding the Fourth Proportional to 79,879.80, 110,234.49 and 44,069.80
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Solution
The fourth proportional to 79,879.80, 110,234.49 and 44,069.80 is: 60,816.53
Step by Step Solution
- Step 1: Write the proportion equation
79,879.80 : 110,234.49 = 44,069.80 : x - Step 2: Convert to fraction form
79,879.80/110,234.49 = 44,069.80/x - Step 3: Cross multiply
79,879.80x = 110,234.49 × 44,069.80 - Step 4: Simplify right side
79,879.80x = 4,858,011,927.40 - Step 5: Solve for x
x = 4,858,011,927.40/79,879.80 - Step 6: Final answer
x = 60,816.53
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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.