Finding the Fourth Proportional to 79,929.36, 110,302.52 and 44,119.38
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Solution
The fourth proportional to 79,929.36, 110,302.52 and 44,119.38 is: 60,884.75
Step by Step Solution
- Step 1: Write the proportion equation
79,929.36 : 110,302.52 = 44,119.38 : x - Step 2: Convert to fraction form
79,929.36/110,302.52 = 44,119.38/x - Step 3: Cross multiply
79,929.36x = 110,302.52 × 44,119.38 - Step 4: Simplify right side
79,929.36x = 4,866,478,794.84 - Step 5: Solve for x
x = 4,866,478,794.84/79,929.36 - Step 6: Final answer
x = 60,884.75
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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.