Finding the Fourth Proportional to 79,975.62, 110,368.08 and 44,167.92
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Solution
The fourth proportional to 79,975.62, 110,368.08 and 44,167.92 is: 60,952.68
Step by Step Solution
- Step 1: Write the proportion equation
79,975.62 : 110,368.08 = 44,167.92 : x - Step 2: Convert to fraction form
79,975.62/110,368.08 = 44,167.92/x - Step 3: Cross multiply
79,975.62x = 110,368.08 × 44,167.92 - Step 4: Simplify right side
79,975.62x = 4,874,728,527.99 - Step 5: Solve for x
x = 4,874,728,527.99/79,975.62 - Step 6: Final answer
x = 60,952.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.