Finding the Fourth Proportional to 71,664.30, 107,459.58 and 32,187.54
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Solution
The fourth proportional to 71,664.30, 107,459.58 and 32,187.54 is: 48,264.75
Step by Step Solution
- Step 1: Write the proportion equation
71,664.30 : 107,459.58 = 32,187.54 : x - Step 2: Convert to fraction form
71,664.30/107,459.58 = 32,187.54/x - Step 3: Cross multiply
71,664.30x = 107,459.58 × 32,187.54 - Step 4: Simplify right side
71,664.30x = 3,458,859,529.63 - Step 5: Solve for x
x = 3,458,859,529.63/71,664.30 - Step 6: Final answer
x = 48,264.75
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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.