Finding the Fourth Proportional to 80,211.24, 110,694.12 and 46,217.09
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Solution
The fourth proportional to 80,211.24, 110,694.12 and 46,217.09 is: 63,781.09
Step by Step Solution
- Step 1: Write the proportion equation
80,211.24 : 110,694.12 = 46,217.09 : x - Step 2: Convert to fraction form
80,211.24/110,694.12 = 46,217.09/x - Step 3: Cross multiply
80,211.24x = 110,694.12 × 46,217.09 - Step 4: Simplify right side
80,211.24x = 5,115,960,106.51 - Step 5: Solve for x
x = 5,115,960,106.51/80,211.24 - Step 6: Final answer
x = 63,781.09
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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.