Finding the Fourth Proportional to 77,051.44, 115,610.57 and 27,167.19
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Solution
The fourth proportional to 77,051.44, 115,610.57 and 27,167.19 is: 40,762.56
Step by Step Solution
- Step 1: Write the proportion equation
77,051.44 : 115,610.57 = 27,167.19 : x - Step 2: Convert to fraction form
77,051.44/115,610.57 = 27,167.19/x - Step 3: Cross multiply
77,051.44x = 115,610.57 × 27,167.19 - Step 4: Simplify right side
77,051.44x = 3,140,814,321.20 - Step 5: Solve for x
x = 3,140,814,321.20/77,051.44 - Step 6: Final answer
x = 40,762.56
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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.