Finding the Fourth Proportional to 90,849.44, 125,370.97 and 50,563.19
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Solution
The fourth proportional to 90,849.44, 125,370.97 and 50,563.19 is: 69,776.50
Step by Step Solution
- Step 1: Write the proportion equation
90,849.44 : 125,370.97 = 50,563.19 : x - Step 2: Convert to fraction form
90,849.44/125,370.97 = 50,563.19/x - Step 3: Cross multiply
90,849.44x = 125,370.97 × 50,563.19 - Step 4: Simplify right side
90,849.44x = 6,339,156,176.59 - Step 5: Solve for x
x = 6,339,156,176.59/90,849.44 - Step 6: Final answer
x = 69,776.50
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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.