Finding the Fourth Proportional to 80,265.26, 110,767.91 and 43,970.18
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Solution
The fourth proportional to 80,265.26, 110,767.91 and 43,970.18 is: 60,679.85
Step by Step Solution
- Step 1: Write the proportion equation
80,265.26 : 110,767.91 = 43,970.18 : x - Step 2: Convert to fraction form
80,265.26/110,767.91 = 43,970.18/x - Step 3: Cross multiply
80,265.26x = 110,767.91 × 43,970.18 - Step 4: Simplify right side
80,265.26x = 4,870,484,167.23 - Step 5: Solve for x
x = 4,870,484,167.23/80,265.26 - Step 6: Final answer
x = 60,679.85
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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.