Finding the Fourth Proportional to 70,474.62, 105,640.29 and 44,197.68
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Solution
The fourth proportional to 70,474.62, 105,640.29 and 44,197.68 is: 66,251.59
Step by Step Solution
- Step 1: Write the proportion equation
70,474.62 : 105,640.29 = 44,197.68 : x - Step 2: Convert to fraction form
70,474.62/105,640.29 = 44,197.68/x - Step 3: Cross multiply
70,474.62x = 105,640.29 × 44,197.68 - Step 4: Simplify right side
70,474.62x = 4,669,055,732.53 - Step 5: Solve for x
x = 4,669,055,732.53/70,474.62 - Step 6: Final answer
x = 66,251.59
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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.