Finding the Fourth Proportional to 88,539.26, 132,828.62 and 32,378.12
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Solution
The fourth proportional to 88,539.26, 132,828.62 and 32,378.12 is: 48,574.39
Step by Step Solution
- Step 1: Write the proportion equation
88,539.26 : 132,828.62 = 32,378.12 : x - Step 2: Convert to fraction form
88,539.26/132,828.62 = 32,378.12/x - Step 3: Cross multiply
88,539.26x = 132,828.62 × 32,378.12 - Step 4: Simplify right side
88,539.26x = 4,300,740,669.87 - Step 5: Solve for x
x = 4,300,740,669.87/88,539.26 - Step 6: Final answer
x = 48,574.39
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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.