Finding the Fourth Proportional to 87,865.26, 131,806.71 and 24,685.53
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Solution
The fourth proportional to 87,865.26, 131,806.71 and 24,685.53 is: 37,030.77
Step by Step Solution
- Step 1: Write the proportion equation
87,865.26 : 131,806.71 = 24,685.53 : x - Step 2: Convert to fraction form
87,865.26/131,806.71 = 24,685.53/x - Step 3: Cross multiply
87,865.26x = 131,806.71 × 24,685.53 - Step 4: Simplify right side
87,865.26x = 3,253,718,493.91 - Step 5: Solve for x
x = 3,253,718,493.91/87,865.26 - Step 6: Final answer
x = 37,030.77
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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.