Finding the Fourth Proportional to 71,950.68, 107,925.32 and 40,360.68
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Solution
The fourth proportional to 71,950.68, 107,925.32 and 40,360.68 is: 60,540.63
Step by Step Solution
- Step 1: Write the proportion equation
71,950.68 : 107,925.32 = 40,360.68 : x - Step 2: Convert to fraction form
71,950.68/107,925.32 = 40,360.68/x - Step 3: Cross multiply
71,950.68x = 107,925.32 × 40,360.68 - Step 4: Simplify right side
71,950.68x = 4,355,939,304.42 - Step 5: Solve for x
x = 4,355,939,304.42/71,950.68 - Step 6: Final answer
x = 60,540.63
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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.