Finding the Fourth Proportional to 80,918.97, 121,393.02 and 24,758.03
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Solution
The fourth proportional to 80,918.97, 121,393.02 and 24,758.03 is: 37,141.49
Step by Step Solution
- Step 1: Write the proportion equation
80,918.97 : 121,393.02 = 24,758.03 : x - Step 2: Convert to fraction form
80,918.97/121,393.02 = 24,758.03/x - Step 3: Cross multiply
80,918.97x = 121,393.02 × 24,758.03 - Step 4: Simplify right side
80,918.97x = 3,005,451,423.99 - Step 5: Solve for x
x = 3,005,451,423.99/80,918.97 - Step 6: Final answer
x = 37,141.49
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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.