Finding the Fourth Proportional to 74,939.09, 103,367.62 and 44,701.08
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Solution
The fourth proportional to 74,939.09, 103,367.62 and 44,701.08 is: 61,658.67
Step by Step Solution
- Step 1: Write the proportion equation
74,939.09 : 103,367.62 = 44,701.08 : x - Step 2: Convert to fraction form
74,939.09/103,367.62 = 44,701.08/x - Step 3: Cross multiply
74,939.09x = 103,367.62 × 44,701.08 - Step 4: Simplify right side
74,939.09x = 4,620,644,451.60 - Step 5: Solve for x
x = 4,620,644,451.60/74,939.09 - Step 6: Final answer
x = 61,658.67
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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.