Finding the Fourth Proportional to 66,738.12, 100,115.92 and 24,647.74
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Solution
The fourth proportional to 66,738.12, 100,115.92 and 24,647.74 is: 36,974.84
Step by Step Solution
- Step 1: Write the proportion equation
66,738.12 : 100,115.92 = 24,647.74 : x - Step 2: Convert to fraction form
66,738.12/100,115.92 = 24,647.74/x - Step 3: Cross multiply
66,738.12x = 100,115.92 × 24,647.74 - Step 4: Simplify right side
66,738.12x = 2,467,631,166.02 - Step 5: Solve for x
x = 2,467,631,166.02/66,738.12 - Step 6: Final answer
x = 36,974.84
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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.