Finding the Fourth Proportional to 74,653.44, 103,021.74 and 41,119.44
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Solution
The fourth proportional to 74,653.44, 103,021.74 and 41,119.44 is: 56,744.82
Step by Step Solution
- Step 1: Write the proportion equation
74,653.44 : 103,021.74 = 41,119.44 : x - Step 2: Convert to fraction form
74,653.44/103,021.74 = 41,119.44/x - Step 3: Cross multiply
74,653.44x = 103,021.74 × 41,119.44 - Step 4: Simplify right side
74,653.44x = 4,236,196,256.63 - Step 5: Solve for x
x = 4,236,196,256.63/74,653.44 - Step 6: Final answer
x = 56,744.82
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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.