Finding the Fourth Proportional to 69,732.58, 104,515.80 and 32,240.08
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Solution
The fourth proportional to 69,732.58, 104,515.80 and 32,240.08 is: 48,321.71
Step by Step Solution
- Step 1: Write the proportion equation
69,732.58 : 104,515.80 = 32,240.08 : x - Step 2: Convert to fraction form
69,732.58/104,515.80 = 32,240.08/x - Step 3: Cross multiply
69,732.58x = 104,515.80 × 32,240.08 - Step 4: Simplify right side
69,732.58x = 3,369,597,753.26 - Step 5: Solve for x
x = 3,369,597,753.26/69,732.58 - Step 6: Final answer
x = 48,321.71
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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.