Finding the Fourth Proportional to 107,643.08, 161,484.60 and 32,769.92
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Solution
The fourth proportional to 107,643.08, 161,484.60 and 32,769.92 is: 49,160.96
Step by Step Solution
- Step 1: Write the proportion equation
107,643.08 : 161,484.60 = 32,769.92 : x - Step 2: Convert to fraction form
107,643.08/161,484.60 = 32,769.92/x - Step 3: Cross multiply
107,643.08x = 161,484.60 × 32,769.92 - Step 4: Simplify right side
107,643.08x = 5,291,837,423.23 - Step 5: Solve for x
x = 5,291,837,423.23/107,643.08 - Step 6: Final answer
x = 49,160.96
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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.