Finding the Fourth Proportional to 68,693.88, 102,865.86 and 33,541.50
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Solution
The fourth proportional to 68,693.88, 102,865.86 and 33,541.50 is: 50,226.82
Step by Step Solution
- Step 1: Write the proportion equation
68,693.88 : 102,865.86 = 33,541.50 : x - Step 2: Convert to fraction form
68,693.88/102,865.86 = 33,541.50/x - Step 3: Cross multiply
68,693.88x = 102,865.86 × 33,541.50 - Step 4: Simplify right side
68,693.88x = 3,450,275,243.19 - Step 5: Solve for x
x = 3,450,275,243.19/68,693.88 - Step 6: Final answer
x = 50,226.82
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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.