Finding the Fourth Proportional to 71,919.50, 107,846.44 and 46,577.63
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Solution
The fourth proportional to 71,919.50, 107,846.44 and 46,577.63 is: 69,845.20
Step by Step Solution
- Step 1: Write the proportion equation
71,919.50 : 107,846.44 = 46,577.63 : x - Step 2: Convert to fraction form
71,919.50/107,846.44 = 46,577.63/x - Step 3: Cross multiply
71,919.50x = 107,846.44 × 46,577.63 - Step 4: Simplify right side
71,919.50x = 5,023,231,732.31 - Step 5: Solve for x
x = 5,023,231,732.31/71,919.50 - Step 6: Final answer
x = 69,845.20
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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.