Finding the Fourth Proportional to 69,839.44, 104,706.36 and 34,803.84
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Solution
The fourth proportional to 69,839.44, 104,706.36 and 34,803.84 is: 52,179.45
Step by Step Solution
- Step 1: Write the proportion equation
69,839.44 : 104,706.36 = 34,803.84 : x - Step 2: Convert to fraction form
69,839.44/104,706.36 = 34,803.84/x - Step 3: Cross multiply
69,839.44x = 104,706.36 × 34,803.84 - Step 4: Simplify right side
69,839.44x = 3,644,183,400.42 - Step 5: Solve for x
x = 3,644,183,400.42/69,839.44 - Step 6: Final answer
x = 52,179.45
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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.