Finding the Fourth Proportional to 84,839.81, 117,073.76 and 46,591.91
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Solution
The fourth proportional to 84,839.81, 117,073.76 and 46,591.91 is: 64,293.99
Step by Step Solution
- Step 1: Write the proportion equation
84,839.81 : 117,073.76 = 46,591.91 : x - Step 2: Convert to fraction form
84,839.81/117,073.76 = 46,591.91/x - Step 3: Cross multiply
84,839.81x = 117,073.76 × 46,591.91 - Step 4: Simplify right side
84,839.81x = 5,454,689,709.98 - Step 5: Solve for x
x = 5,454,689,709.98/84,839.81 - Step 6: Final answer
x = 64,293.99
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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.