Finding the Fourth Proportional to 87,846.08, 121,224.92 and 49,605.03
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Solution
The fourth proportional to 87,846.08, 121,224.92 and 49,605.03 is: 68,453.43
Step by Step Solution
- Step 1: Write the proportion equation
87,846.08 : 121,224.92 = 49,605.03 : x - Step 2: Convert to fraction form
87,846.08/121,224.92 = 49,605.03/x - Step 3: Cross multiply
87,846.08x = 121,224.92 × 49,605.03 - Step 4: Simplify right side
87,846.08x = 6,013,365,545.32 - Step 5: Solve for x
x = 6,013,365,545.32/87,846.08 - Step 6: Final answer
x = 68,453.43
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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.