Finding the Fourth Proportional to 84,536.46, 126,824.70 and 27,610.08
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Solution
The fourth proportional to 84,536.46, 126,824.70 and 27,610.08 is: 41,421.66
Step by Step Solution
- Step 1: Write the proportion equation
84,536.46 : 126,824.70 = 27,610.08 : x - Step 2: Convert to fraction form
84,536.46/126,824.70 = 27,610.08/x - Step 3: Cross multiply
84,536.46x = 126,824.70 × 27,610.08 - Step 4: Simplify right side
84,536.46x = 3,501,640,112.98 - Step 5: Solve for x
x = 3,501,640,112.98/84,536.46 - Step 6: Final answer
x = 41,421.66
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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.