Finding the Fourth Proportional to 87,807.81, 131,741.28 and 27,846.09
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Solution
The fourth proportional to 87,807.81, 131,741.28 and 27,846.09 is: 41,778.51
Step by Step Solution
- Step 1: Write the proportion equation
87,807.81 : 131,741.28 = 27,846.09 : x - Step 2: Convert to fraction form
87,807.81/131,741.28 = 27,846.09/x - Step 3: Cross multiply
87,807.81x = 131,741.28 × 27,846.09 - Step 4: Simplify right side
87,807.81x = 3,668,479,539.60 - Step 5: Solve for x
x = 3,668,479,539.60/87,807.81 - Step 6: Final answer
x = 41,778.51
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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.