Finding the Fourth Proportional to 80,070.01, 120,147.84 and 51,983.46
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Solution
The fourth proportional to 80,070.01, 120,147.84 and 51,983.46 is: 78,002.99
Step by Step Solution
- Step 1: Write the proportion equation
80,070.01 : 120,147.84 = 51,983.46 : x - Step 2: Convert to fraction form
80,070.01/120,147.84 = 51,983.46/x - Step 3: Cross multiply
80,070.01x = 120,147.84 × 51,983.46 - Step 4: Simplify right side
80,070.01x = 6,245,700,434.73 - Step 5: Solve for x
x = 6,245,700,434.73/80,070.01 - Step 6: Final answer
x = 78,002.99
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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.