Finding the Fourth Proportional to 67,247.46, 100,824.48 and 29,787.12
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Solution
The fourth proportional to 67,247.46, 100,824.48 and 29,787.12 is: 44,659.99
Step by Step Solution
- Step 1: Write the proportion equation
67,247.46 : 100,824.48 = 29,787.12 : x - Step 2: Convert to fraction form
67,247.46/100,824.48 = 29,787.12/x - Step 3: Cross multiply
67,247.46x = 100,824.48 × 29,787.12 - Step 4: Simplify right side
67,247.46x = 3,003,270,884.70 - Step 5: Solve for x
x = 3,003,270,884.70/67,247.46 - Step 6: Final answer
x = 44,659.99
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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.