Finding the Fourth Proportional to 76,324.15, 114,496.64 and 26,390.84
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Solution
The fourth proportional to 76,324.15, 114,496.64 and 26,390.84 is: 39,589.85
Step by Step Solution
- Step 1: Write the proportion equation
76,324.15 : 114,496.64 = 26,390.84 : x - Step 2: Convert to fraction form
76,324.15/114,496.64 = 26,390.84/x - Step 3: Cross multiply
76,324.15x = 114,496.64 × 26,390.84 - Step 4: Simplify right side
76,324.15x = 3,021,661,901.31 - Step 5: Solve for x
x = 3,021,661,901.31/76,324.15 - Step 6: Final answer
x = 39,589.85
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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.