Finding the Fourth Proportional to 68,635.26, 102,799.80 and 58,137.66
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Solution
The fourth proportional to 68,635.26, 102,799.80 and 58,137.66 is: 87,076.81
Step by Step Solution
- Step 1: Write the proportion equation
68,635.26 : 102,799.80 = 58,137.66 : x - Step 2: Convert to fraction form
68,635.26/102,799.80 = 58,137.66/x - Step 3: Cross multiply
68,635.26x = 102,799.80 × 58,137.66 - Step 4: Simplify right side
68,635.26x = 5,976,539,820.47 - Step 5: Solve for x
x = 5,976,539,820.47/68,635.26 - Step 6: Final answer
x = 87,076.81
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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.