Finding the Fourth Proportional to 87,395.02, 120,605.97 and 49,669.54
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Solution
The fourth proportional to 87,395.02, 120,605.97 and 49,669.54 is: 68,544.44
Step by Step Solution
- Step 1: Write the proportion equation
87,395.02 : 120,605.97 = 49,669.54 : x - Step 2: Convert to fraction form
87,395.02/120,605.97 = 49,669.54/x - Step 3: Cross multiply
87,395.02x = 120,605.97 × 49,669.54 - Step 4: Simplify right side
87,395.02x = 5,990,443,051.15 - Step 5: Solve for x
x = 5,990,443,051.15/87,395.02 - Step 6: Final answer
x = 68,544.44
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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.