Finding the Fourth Proportional to 68,367.40, 102,551.10 and 44,747.80
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Solution
The fourth proportional to 68,367.40, 102,551.10 and 44,747.80 is: 67,121.70
Step by Step Solution
- Step 1: Write the proportion equation
68,367.40 : 102,551.10 = 44,747.80 : x - Step 2: Convert to fraction form
68,367.40/102,551.10 = 44,747.80/x - Step 3: Cross multiply
68,367.40x = 102,551.10 × 44,747.80 - Step 4: Simplify right side
68,367.40x = 4,588,936,112.58 - Step 5: Solve for x
x = 4,588,936,112.58/68,367.40 - Step 6: Final answer
x = 67,121.70
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1.5x scale
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.