Finding the Fourth Proportional to 79,929.62, 110,303.77 and 44,121.14
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Solution
The fourth proportional to 79,929.62, 110,303.77 and 44,121.14 is: 60,887.67
Step by Step Solution
- Step 1: Write the proportion equation
79,929.62 : 110,303.77 = 44,121.14 : x - Step 2: Convert to fraction form
79,929.62/110,303.77 = 44,121.14/x - Step 3: Cross multiply
79,929.62x = 110,303.77 × 44,121.14 - Step 4: Simplify right side
79,929.62x = 4,866,728,078.70 - Step 5: Solve for x
x = 4,866,728,078.70/79,929.62 - Step 6: Final answer
x = 60,887.67
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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.