Finding the Fourth Proportional to 87,718.13, 131,585.53 and 24,538.26
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Solution
The fourth proportional to 87,718.13, 131,585.53 and 24,538.26 is: 36,809.72
Step by Step Solution
- Step 1: Write the proportion equation
87,718.13 : 131,585.53 = 24,538.26 : x - Step 2: Convert to fraction form
87,718.13/131,585.53 = 24,538.26/x - Step 3: Cross multiply
87,718.13x = 131,585.53 × 24,538.26 - Step 4: Simplify right side
87,718.13x = 3,228,879,947.38 - Step 5: Solve for x
x = 3,228,879,947.38/87,718.13 - Step 6: Final answer
x = 36,809.72
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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.