Finding the Fourth Proportional to 84,034.24, 115,969.76 and 46,310.92
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Solution
The fourth proportional to 84,034.24, 115,969.76 and 46,310.92 is: 63,910.45
Step by Step Solution
- Step 1: Write the proportion equation
84,034.24 : 115,969.76 = 46,310.92 : x - Step 2: Convert to fraction form
84,034.24/115,969.76 = 46,310.92/x - Step 3: Cross multiply
84,034.24x = 115,969.76 × 46,310.92 - Step 4: Simplify right side
84,034.24x = 5,370,666,277.78 - Step 5: Solve for x
x = 5,370,666,277.78/84,034.24 - Step 6: Final answer
x = 63,910.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.