Finding the Fourth Proportional to 84,098.44, 126,235.14 and 61,936.84
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Solution
The fourth proportional to 84,098.44, 126,235.14 and 61,936.84 is: 92,969.69
Step by Step Solution
- Step 1: Write the proportion equation
84,098.44 : 126,235.14 = 61,936.84 : x - Step 2: Convert to fraction form
84,098.44/126,235.14 = 61,936.84/x - Step 3: Cross multiply
84,098.44x = 126,235.14 × 61,936.84 - Step 4: Simplify right side
84,098.44x = 7,818,605,668.56 - Step 5: Solve for x
x = 7,818,605,668.56/84,098.44 - Step 6: Final answer
x = 92,969.69
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1.5x scale
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.