Finding the Fourth Proportional to 76,406.27, 114,610.82 and 26,487.99
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Solution
The fourth proportional to 76,406.27, 114,610.82 and 26,487.99 is: 39,732.48
Step by Step Solution
- Step 1: Write the proportion equation
76,406.27 : 114,610.82 = 26,487.99 : x - Step 2: Convert to fraction form
76,406.27/114,610.82 = 26,487.99/x - Step 3: Cross multiply
76,406.27x = 114,610.82 × 26,487.99 - Step 4: Simplify right side
76,406.27x = 3,035,810,121.61 - Step 5: Solve for x
x = 3,035,810,121.61/76,406.27 - Step 6: Final answer
x = 39,732.48
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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.