Finding the Fourth Proportional to 87,575.11, 120,853.09 and 49,346.97
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Solution
The fourth proportional to 87,575.11, 120,853.09 and 49,346.97 is: 68,098.50
Step by Step Solution
- Step 1: Write the proportion equation
87,575.11 : 120,853.09 = 49,346.97 : x - Step 2: Convert to fraction form
87,575.11/120,853.09 = 49,346.97/x - Step 3: Cross multiply
87,575.11x = 120,853.09 × 49,346.97 - Step 4: Simplify right side
87,575.11x = 5,963,733,602.42 - Step 5: Solve for x
x = 5,963,733,602.42/87,575.11 - Step 6: Final answer
x = 68,098.50
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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.