Finding the Fourth Proportional to 69,561.21, 104,329.68 and 32,118.09
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Solution
The fourth proportional to 69,561.21, 104,329.68 and 32,118.09 is: 48,171.53
Step by Step Solution
- Step 1: Write the proportion equation
69,561.21 : 104,329.68 = 32,118.09 : x - Step 2: Convert to fraction form
69,561.21/104,329.68 = 32,118.09/x - Step 3: Cross multiply
69,561.21x = 104,329.68 × 32,118.09 - Step 4: Simplify right side
69,561.21x = 3,350,870,051.91 - Step 5: Solve for x
x = 3,350,870,051.91/69,561.21 - Step 6: Final answer
x = 48,171.53
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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.