Finding the Fourth Proportional to 88,578.10, 132,866.60 and 32,422.12
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Solution
The fourth proportional to 88,578.10, 132,866.60 and 32,422.12 is: 48,632.98
Step by Step Solution
- Step 1: Write the proportion equation
88,578.10 : 132,866.60 = 32,422.12 : x - Step 2: Convert to fraction form
88,578.10/132,866.60 = 32,422.12/x - Step 3: Cross multiply
88,578.10x = 132,866.60 × 32,422.12 - Step 4: Simplify right side
88,578.10x = 4,307,816,598.08 - Step 5: Solve for x
x = 4,307,816,598.08/88,578.10 - Step 6: Final answer
x = 48,632.98
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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.