Finding the Fourth Proportional to 80,434.48, 111,012.90 and 44,635.99
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Solution
The fourth proportional to 80,434.48, 111,012.90 and 44,635.99 is: 61,605.06
Step by Step Solution
- Step 1: Write the proportion equation
80,434.48 : 111,012.90 = 44,635.99 : x - Step 2: Convert to fraction form
80,434.48/111,012.90 = 44,635.99/x - Step 3: Cross multiply
80,434.48x = 111,012.90 × 44,635.99 - Step 4: Simplify right side
80,434.48x = 4,955,170,694.27 - Step 5: Solve for x
x = 4,955,170,694.27/80,434.48 - Step 6: Final answer
x = 61,605.06
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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.