Finding the Fourth Proportional to 73,785.18, 110,612.02 and 27,027.12
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Solution
The fourth proportional to 73,785.18, 110,612.02 and 27,027.12 is: 40,516.60
Step by Step Solution
- Step 1: Write the proportion equation
73,785.18 : 110,612.02 = 27,027.12 : x - Step 2: Convert to fraction form
73,785.18/110,612.02 = 27,027.12/x - Step 3: Cross multiply
73,785.18x = 110,612.02 × 27,027.12 - Step 4: Simplify right side
73,785.18x = 2,989,524,337.98 - Step 5: Solve for x
x = 2,989,524,337.98/73,785.18 - Step 6: Final answer
x = 40,516.60
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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.