Finding the Fourth Proportional to 73,986.98, 110,969.49 and 27,228.92
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Solution
The fourth proportional to 73,986.98, 110,969.49 and 27,228.92 is: 40,839.34
Step by Step Solution
- Step 1: Write the proportion equation
73,986.98 : 110,969.49 = 27,228.92 : x - Step 2: Convert to fraction form
73,986.98/110,969.49 = 27,228.92/x - Step 3: Cross multiply
73,986.98x = 110,969.49 × 27,228.92 - Step 4: Simplify right side
73,986.98x = 3,021,579,365.65 - Step 5: Solve for x
x = 3,021,579,365.65/73,986.98 - Step 6: Final answer
x = 40,839.34
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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.