Finding the Fourth Proportional to 74,635.62, 102,992.46 and 41,101.62
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Solution
The fourth proportional to 74,635.62, 102,992.46 and 41,101.62 is: 56,717.65
Step by Step Solution
- Step 1: Write the proportion equation
74,635.62 : 102,992.46 = 41,101.62 : x - Step 2: Convert to fraction form
74,635.62/102,992.46 = 41,101.62/x - Step 3: Cross multiply
74,635.62x = 102,992.46 × 41,101.62 - Step 4: Simplify right side
74,635.62x = 4,233,156,953.79 - Step 5: Solve for x
x = 4,233,156,953.79/74,635.62 - Step 6: Final answer
x = 56,717.65
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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.