Finding the Fourth Proportional to 67,859.32, 101,722.79 and 32,311.09
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Solution
The fourth proportional to 67,859.32, 101,722.79 and 32,311.09 is: 48,435.11
Step by Step Solution
- Step 1: Write the proportion equation
67,859.32 : 101,722.79 = 32,311.09 : x - Step 2: Convert to fraction form
67,859.32/101,722.79 = 32,311.09/x - Step 3: Cross multiply
67,859.32x = 101,722.79 × 32,311.09 - Step 4: Simplify right side
67,859.32x = 3,286,773,844.13 - Step 5: Solve for x
x = 3,286,773,844.13/67,859.32 - Step 6: Final answer
x = 48,435.11
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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.