Finding the Fourth Proportional to 87,318.24, 120,501.60 and 51,504.96
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Solution
The fourth proportional to 87,318.24, 120,501.60 and 51,504.96 is: 71,078.28
Step by Step Solution
- Step 1: Write the proportion equation
87,318.24 : 120,501.60 = 51,504.96 : x - Step 2: Convert to fraction form
87,318.24/120,501.60 = 51,504.96/x - Step 3: Cross multiply
87,318.24x = 120,501.60 × 51,504.96 - Step 4: Simplify right side
87,318.24x = 6,206,430,087.94 - Step 5: Solve for x
x = 6,206,430,087.94/87,318.24 - Step 6: Final answer
x = 71,078.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.