Finding the Fourth Proportional to 71,862.64, 107,767.68 and 27,467.44
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Solution
The fourth proportional to 71,862.64, 107,767.68 and 27,467.44 is: 41,191.12
Step by Step Solution
- Step 1: Write the proportion equation
71,862.64 : 107,767.68 = 27,467.44 : x - Step 2: Convert to fraction form
71,862.64/107,767.68 = 27,467.44/x - Step 3: Cross multiply
71,862.64x = 107,767.68 × 27,467.44 - Step 4: Simplify right side
71,862.64x = 2,960,102,284.34 - Step 5: Solve for x
x = 2,960,102,284.34/71,862.64 - Step 6: Final answer
x = 41,191.12
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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.