Finding the Fourth Proportional to 93,232.92, 128,660.76 and 50,791.44
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Solution
The fourth proportional to 93,232.92, 128,660.76 and 50,791.44 is: 70,091.82
Step by Step Solution
- Step 1: Write the proportion equation
93,232.92 : 128,660.76 = 50,791.44 : x - Step 2: Convert to fraction form
93,232.92/128,660.76 = 50,791.44/x - Step 3: Cross multiply
93,232.92x = 128,660.76 × 50,791.44 - Step 4: Simplify right side
93,232.92x = 6,534,865,271.89 - Step 5: Solve for x
x = 6,534,865,271.89/93,232.92 - Step 6: Final answer
x = 70,091.82
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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.