Finding the Fourth Proportional to 70,475.62, 105,641.79 and 44,198.68
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Solution
The fourth proportional to 70,475.62, 105,641.79 and 44,198.68 is: 66,253.09
Step by Step Solution
- Step 1: Write the proportion equation
70,475.62 : 105,641.79 = 44,198.68 : x - Step 2: Convert to fraction form
70,475.62/105,641.79 = 44,198.68/x - Step 3: Cross multiply
70,475.62x = 105,641.79 × 44,198.68 - Step 4: Simplify right side
70,475.62x = 4,669,227,670.84 - Step 5: Solve for x
x = 4,669,227,670.84/70,475.62 - Step 6: Final answer
x = 66,253.09
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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.