Finding the Fourth Proportional to 79,979.24, 110,371.43 and 44,169.39
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Solution
The fourth proportional to 79,979.24, 110,371.43 and 44,169.39 is: 60,953.80
Step by Step Solution
- Step 1: Write the proportion equation
79,979.24 : 110,371.43 = 44,169.39 : x - Step 2: Convert to fraction form
79,979.24/110,371.43 = 44,169.39/x - Step 3: Cross multiply
79,979.24x = 110,371.43 × 44,169.39 - Step 4: Simplify right side
79,979.24x = 4,875,038,846.95 - Step 5: Solve for x
x = 4,875,038,846.95/79,979.24 - Step 6: Final answer
x = 60,953.80
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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.