Finding the Fourth Proportional to 87,776.26, 131,664.39 and 48,313.06
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Solution
The fourth proportional to 87,776.26, 131,664.39 and 48,313.06 is: 72,469.59
Step by Step Solution
- Step 1: Write the proportion equation
87,776.26 : 131,664.39 = 48,313.06 : x - Step 2: Convert to fraction form
87,776.26/131,664.39 = 48,313.06/x - Step 3: Cross multiply
87,776.26x = 131,664.39 × 48,313.06 - Step 4: Simplify right side
87,776.26x = 6,361,109,573.93 - Step 5: Solve for x
x = 6,361,109,573.93/87,776.26 - Step 6: Final answer
x = 72,469.59
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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.