Finding the Fourth Proportional to 74,524.93, 102,843.37 and 40,532.68
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Solution
The fourth proportional to 74,524.93, 102,843.37 and 40,532.68 is: 55,934.54
Step by Step Solution
- Step 1: Write the proportion equation
74,524.93 : 102,843.37 = 40,532.68 : x - Step 2: Convert to fraction form
74,524.93/102,843.37 = 40,532.68/x - Step 3: Cross multiply
74,524.93x = 102,843.37 × 40,532.68 - Step 4: Simplify right side
74,524.93x = 4,168,517,406.33 - Step 5: Solve for x
x = 4,168,517,406.33/74,524.93 - Step 6: Final answer
x = 55,934.54
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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.