Finding the Fourth Proportional to 87,965.09, 131,947.48 and 24,785.09
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Solution
The fourth proportional to 87,965.09, 131,947.48 and 24,785.09 is: 37,177.59
Step by Step Solution
- Step 1: Write the proportion equation
87,965.09 : 131,947.48 = 24,785.09 : x - Step 2: Convert to fraction form
87,965.09/131,947.48 = 24,785.09/x - Step 3: Cross multiply
87,965.09x = 131,947.48 × 24,785.09 - Step 4: Simplify right side
87,965.09x = 3,270,330,033.12 - Step 5: Solve for x
x = 3,270,330,033.12/87,965.09 - Step 6: Final answer
x = 37,177.59
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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.