Finding the Fourth Proportional to 71,462.86, 107,181.29 and 27,074.99
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Solution
The fourth proportional to 71,462.86, 107,181.29 and 27,074.99 is: 40,607.57
Step by Step Solution
- Step 1: Write the proportion equation
71,462.86 : 107,181.29 = 27,074.99 : x - Step 2: Convert to fraction form
71,462.86/107,181.29 = 27,074.99/x - Step 3: Cross multiply
71,462.86x = 107,181.29 × 27,074.99 - Step 4: Simplify right side
71,462.86x = 2,901,932,690.58 - Step 5: Solve for x
x = 2,901,932,690.58/71,462.86 - Step 6: Final answer
x = 40,607.57
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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.