Finding the Fourth Proportional to 79,979.99, 119,874.56 and 37,227.92
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Solution
The fourth proportional to 79,979.99, 119,874.56 and 37,227.92 is: 55,797.46
Step by Step Solution
- Step 1: Write the proportion equation
79,979.99 : 119,874.56 = 37,227.92 : x - Step 2: Convert to fraction form
79,979.99/119,874.56 = 37,227.92/x - Step 3: Cross multiply
79,979.99x = 119,874.56 × 37,227.92 - Step 4: Simplify right side
79,979.99x = 4,462,679,744.20 - Step 5: Solve for x
x = 4,462,679,744.20/79,979.99 - Step 6: Final answer
x = 55,797.46
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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.