Finding the Fourth Proportional to 104,724.60, 157,079.70 and 33,646.20
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Solution
The fourth proportional to 104,724.60, 157,079.70 and 33,646.20 is: 50,466.99
Step by Step Solution
- Step 1: Write the proportion equation
104,724.60 : 157,079.70 = 33,646.20 : x - Step 2: Convert to fraction form
104,724.60/157,079.70 = 33,646.20/x - Step 3: Cross multiply
104,724.60x = 157,079.70 × 33,646.20 - Step 4: Simplify right side
104,724.60x = 5,285,135,002.14 - Step 5: Solve for x
x = 5,285,135,002.14/104,724.60 - Step 6: Final answer
x = 50,466.99
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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.