Finding the Fourth Proportional to 84,133.56, 126,133.74 and 41,991.96
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Solution
The fourth proportional to 84,133.56, 126,133.74 and 41,991.96 is: 62,954.70
Step by Step Solution
- Step 1: Write the proportion equation
84,133.56 : 126,133.74 = 41,991.96 : x - Step 2: Convert to fraction form
84,133.56/126,133.74 = 41,991.96/x - Step 3: Cross multiply
84,133.56x = 126,133.74 × 41,991.96 - Step 4: Simplify right side
84,133.56x = 5,296,602,964.73 - Step 5: Solve for x
x = 5,296,602,964.73/84,133.56 - Step 6: Final answer
x = 62,954.70
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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.