Finding the Fourth Proportional to 104,853.74, 157,220.64 and 48,664.92
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Solution
The fourth proportional to 104,853.74, 157,220.64 and 48,664.92 is: 72,969.54
Step by Step Solution
- Step 1: Write the proportion equation
104,853.74 : 157,220.64 = 48,664.92 : x - Step 2: Convert to fraction form
104,853.74/157,220.64 = 48,664.92/x - Step 3: Cross multiply
104,853.74x = 157,220.64 × 48,664.92 - Step 4: Simplify right side
104,853.74x = 7,651,129,867.95 - Step 5: Solve for x
x = 7,651,129,867.95/104,853.74 - Step 6: Final answer
x = 72,969.54
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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.