Finding the Fourth Proportional to 68,842.44, 103,251.38 and 43,808.18
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Solution
The fourth proportional to 68,842.44, 103,251.38 and 43,808.18 is: 65,704.46
Step by Step Solution
- Step 1: Write the proportion equation
68,842.44 : 103,251.38 = 43,808.18 : x - Step 2: Convert to fraction form
68,842.44/103,251.38 = 43,808.18/x - Step 3: Cross multiply
68,842.44x = 103,251.38 × 43,808.18 - Step 4: Simplify right side
68,842.44x = 4,523,255,040.29 - Step 5: Solve for x
x = 4,523,255,040.29/68,842.44 - Step 6: Final answer
x = 65,704.46
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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.