Finding the Fourth Proportional to 79,918.58, 110,287.09 and 44,108.59
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Solution
The fourth proportional to 79,918.58, 110,287.09 and 44,108.59 is: 60,869.55
Step by Step Solution
- Step 1: Write the proportion equation
79,918.58 : 110,287.09 = 44,108.59 : x - Step 2: Convert to fraction form
79,918.58/110,287.09 = 44,108.59/x - Step 3: Cross multiply
79,918.58x = 110,287.09 × 44,108.59 - Step 4: Simplify right side
79,918.58x = 4,864,608,035.10 - Step 5: Solve for x
x = 4,864,608,035.10/79,918.58 - Step 6: Final answer
x = 60,869.55
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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.