Finding the Fourth Proportional to 68,519.98, 102,797.46 and 28,525.68
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Solution
The fourth proportional to 68,519.98, 102,797.46 and 28,525.68 is: 42,795.80
Step by Step Solution
- Step 1: Write the proportion equation
68,519.98 : 102,797.46 = 28,525.68 : x - Step 2: Convert to fraction form
68,519.98/102,797.46 = 28,525.68/x - Step 3: Cross multiply
68,519.98x = 102,797.46 × 28,525.68 - Step 4: Simplify right side
68,519.98x = 2,932,367,448.77 - Step 5: Solve for x
x = 2,932,367,448.77/68,519.98 - Step 6: Final answer
x = 42,795.80
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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.