Finding the Fourth Proportional to 75,586.56, 113,421.60 and 31,202.92
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Solution
The fourth proportional to 75,586.56, 113,421.60 and 31,202.92 is: 46,821.62
Step by Step Solution
- Step 1: Write the proportion equation
75,586.56 : 113,421.60 = 31,202.92 : x - Step 2: Convert to fraction form
75,586.56/113,421.60 = 31,202.92/x - Step 3: Cross multiply
75,586.56x = 113,421.60 × 31,202.92 - Step 4: Simplify right side
75,586.56x = 3,539,085,111.07 - Step 5: Solve for x
x = 3,539,085,111.07/75,586.56 - Step 6: Final answer
x = 46,821.62
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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.