Finding the Fourth Proportional to 80,534.93, 120,752.76 and 27,221.87
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Solution
The fourth proportional to 80,534.93, 120,752.76 and 27,221.87 is: 40,816.02
Step by Step Solution
- Step 1: Write the proportion equation
80,534.93 : 120,752.76 = 27,221.87 : x - Step 2: Convert to fraction form
80,534.93/120,752.76 = 27,221.87/x - Step 3: Cross multiply
80,534.93x = 120,752.76 × 27,221.87 - Step 4: Simplify right side
80,534.93x = 3,287,115,331.10 - Step 5: Solve for x
x = 3,287,115,331.10/80,534.93 - Step 6: Final answer
x = 40,816.02
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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.