Finding the Fourth Proportional to 86,619.03, 129,928.54 and 32,593.87
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Solution
The fourth proportional to 86,619.03, 129,928.54 and 32,593.87 is: 48,890.80
Step by Step Solution
- Step 1: Write the proportion equation
86,619.03 : 129,928.54 = 32,593.87 : x - Step 2: Convert to fraction form
86,619.03/129,928.54 = 32,593.87/x - Step 3: Cross multiply
86,619.03x = 129,928.54 × 32,593.87 - Step 4: Simplify right side
86,619.03x = 4,234,873,942.05 - Step 5: Solve for x
x = 4,234,873,942.05/86,619.03 - Step 6: Final answer
x = 48,890.80
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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.