Finding the Fourth Proportional to 73,816.10, 110,724.15 and 48,884.30
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Solution
The fourth proportional to 73,816.10, 110,724.15 and 48,884.30 is: 73,326.45
Step by Step Solution
- Step 1: Write the proportion equation
73,816.10 : 110,724.15 = 48,884.30 : x - Step 2: Convert to fraction form
73,816.10/110,724.15 = 48,884.30/x - Step 3: Cross multiply
73,816.10x = 110,724.15 × 48,884.30 - Step 4: Simplify right side
73,816.10x = 5,412,672,565.85 - Step 5: Solve for x
x = 5,412,672,565.85/73,816.10 - Step 6: Final answer
x = 73,326.45
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1.5x scale
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.