Finding the Fourth Proportional to 87,435.42, 131,160.36 and 36,849.09
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Solution
The fourth proportional to 87,435.42, 131,160.36 and 36,849.09 is: 55,276.68
Step by Step Solution
- Step 1: Write the proportion equation
87,435.42 : 131,160.36 = 36,849.09 : x - Step 2: Convert to fraction form
87,435.42/131,160.36 = 36,849.09/x - Step 3: Cross multiply
87,435.42x = 131,160.36 × 36,849.09 - Step 4: Simplify right side
87,435.42x = 4,833,139,910.07 - Step 5: Solve for x
x = 4,833,139,910.07/87,435.42 - Step 6: Final answer
x = 55,276.68
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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.