Finding the Fourth Proportional to 84,347.49, 126,458.74 and 51,059.68
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Solution
The fourth proportional to 84,347.49, 126,458.74 and 51,059.68 is: 76,551.68
Step by Step Solution
- Step 1: Write the proportion equation
84,347.49 : 126,458.74 = 51,059.68 : x - Step 2: Convert to fraction form
84,347.49/126,458.74 = 51,059.68/x - Step 3: Cross multiply
84,347.49x = 126,458.74 × 51,059.68 - Step 4: Simplify right side
84,347.49x = 6,456,942,258.07 - Step 5: Solve for x
x = 6,456,942,258.07/84,347.49 - Step 6: Final answer
x = 76,551.68
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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.