Finding the Fourth Proportional to 79,816.13, 110,147.11 and 44,007.42
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Solution
The fourth proportional to 79,816.13, 110,147.11 and 44,007.42 is: 60,730.71
Step by Step Solution
- Step 1: Write the proportion equation
79,816.13 : 110,147.11 = 44,007.42 : x - Step 2: Convert to fraction form
79,816.13/110,147.11 = 44,007.42/x - Step 3: Cross multiply
79,816.13x = 110,147.11 × 44,007.42 - Step 4: Simplify right side
79,816.13x = 4,847,290,131.56 - Step 5: Solve for x
x = 4,847,290,131.56/79,816.13 - Step 6: Final answer
x = 60,730.71
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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.