Finding the Fourth Proportional to 80,668.99, 121,009.89 and 24,514.01
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Solution
The fourth proportional to 80,668.99, 121,009.89 and 24,514.01 is: 36,772.95
Step by Step Solution
- Step 1: Write the proportion equation
80,668.99 : 121,009.89 = 24,514.01 : x - Step 2: Convert to fraction form
80,668.99/121,009.89 = 24,514.01/x - Step 3: Cross multiply
80,668.99x = 121,009.89 × 24,514.01 - Step 4: Simplify right side
80,668.99x = 2,966,437,048.51 - Step 5: Solve for x
x = 2,966,437,048.51/80,668.99 - Step 6: Final answer
x = 36,772.95
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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.