Finding the Fourth Proportional to 87,637.09, 131,442.31 and 24,450.56
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Solution
The fourth proportional to 87,637.09, 131,442.31 and 24,450.56 is: 36,672.12
Step by Step Solution
- Step 1: Write the proportion equation
87,637.09 : 131,442.31 = 24,450.56 : x - Step 2: Convert to fraction form
87,637.09/131,442.31 = 24,450.56/x - Step 3: Cross multiply
87,637.09x = 131,442.31 × 24,450.56 - Step 4: Simplify right side
87,637.09x = 3,213,838,087.19 - Step 5: Solve for x
x = 3,213,838,087.19/87,637.09 - Step 6: Final answer
x = 36,672.12
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1.5x scale
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.