Finding the Fourth Proportional to 84,074.04, 125,979.68 and 52,843.68
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Solution
The fourth proportional to 84,074.04, 125,979.68 and 52,843.68 is: 79,182.94
Step by Step Solution
- Step 1: Write the proportion equation
84,074.04 : 125,979.68 = 52,843.68 : x - Step 2: Convert to fraction form
84,074.04/125,979.68 = 52,843.68/x - Step 3: Cross multiply
84,074.04x = 125,979.68 × 52,843.68 - Step 4: Simplify right side
84,074.04x = 6,657,229,632.20 - Step 5: Solve for x
x = 6,657,229,632.20/84,074.04 - Step 6: Final answer
x = 79,182.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.