Finding the Fourth Proportional to 80,262.82, 110,725.95 and 51,977.62
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Solution
The fourth proportional to 80,262.82, 110,725.95 and 51,977.62 is: 71,705.32
Step by Step Solution
- Step 1: Write the proportion equation
80,262.82 : 110,725.95 = 51,977.62 : x - Step 2: Convert to fraction form
80,262.82/110,725.95 = 51,977.62/x - Step 3: Cross multiply
80,262.82x = 110,725.95 × 51,977.62 - Step 4: Simplify right side
80,262.82x = 5,755,271,353.24 - Step 5: Solve for x
x = 5,755,271,353.24/80,262.82 - Step 6: Final answer
x = 71,705.32
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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.