Finding the Fourth Proportional to 82,038.44, 113,213.12 and 44,312.68
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Solution
The fourth proportional to 82,038.44, 113,213.12 and 44,312.68 is: 61,151.54
Step by Step Solution
- Step 1: Write the proportion equation
82,038.44 : 113,213.12 = 44,312.68 : x - Step 2: Convert to fraction form
82,038.44/113,213.12 = 44,312.68/x - Step 3: Cross multiply
82,038.44x = 113,213.12 × 44,312.68 - Step 4: Simplify right side
82,038.44x = 5,016,776,758.36 - Step 5: Solve for x
x = 5,016,776,758.36/82,038.44 - Step 6: Final answer
x = 61,151.54
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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.