Finding the Fourth Proportional to 68,624.40, 102,936.60 and 24,252.60
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Solution
The fourth proportional to 68,624.40, 102,936.60 and 24,252.60 is: 36,378.90
Step by Step Solution
- Step 1: Write the proportion equation
68,624.40 : 102,936.60 = 24,252.60 : x - Step 2: Convert to fraction form
68,624.40/102,936.60 = 24,252.60/x - Step 3: Cross multiply
68,624.40x = 102,936.60 × 24,252.60 - Step 4: Simplify right side
68,624.40x = 2,496,480,185.16 - Step 5: Solve for x
x = 2,496,480,185.16/68,624.40 - Step 6: Final answer
x = 36,378.90
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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.