Finding the Fourth Proportional to 68,211.60, 102,536.10 and 48,625.80
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Solution
The fourth proportional to 68,211.60, 102,536.10 and 48,625.80 is: 73,094.60
Step by Step Solution
- Step 1: Write the proportion equation
68,211.60 : 102,536.10 = 48,625.80 : x - Step 2: Convert to fraction form
68,211.60/102,536.10 = 48,625.80/x - Step 3: Cross multiply
68,211.60x = 102,536.10 × 48,625.80 - Step 4: Simplify right side
68,211.60x = 4,985,899,891.38 - Step 5: Solve for x
x = 4,985,899,891.38/68,211.60 - Step 6: Final answer
x = 73,094.60
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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.