Finding the Fourth Proportional to 87,867.89, 131,795.25 and 31,707.99
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Solution
The fourth proportional to 87,867.89, 131,795.25 and 31,707.99 is: 47,559.62
Step by Step Solution
- Step 1: Write the proportion equation
87,867.89 : 131,795.25 = 31,707.99 : x - Step 2: Convert to fraction form
87,867.89/131,795.25 = 31,707.99/x - Step 3: Cross multiply
87,867.89x = 131,795.25 × 31,707.99 - Step 4: Simplify right side
87,867.89x = 4,178,963,095.09 - Step 5: Solve for x
x = 4,178,963,095.09/87,867.89 - Step 6: Final answer
x = 47,559.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.