Finding the Fourth Proportional to 69,451.43, 104,178.67 and 48,083.09
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Solution
The fourth proportional to 69,451.43, 104,178.67 and 48,083.09 is: 72,125.69
Step by Step Solution
- Step 1: Write the proportion equation
69,451.43 : 104,178.67 = 48,083.09 : x - Step 2: Convert to fraction form
69,451.43/104,178.67 = 48,083.09/x - Step 3: Cross multiply
69,451.43x = 104,178.67 × 48,083.09 - Step 4: Simplify right side
69,451.43x = 5,009,231,724.59 - Step 5: Solve for x
x = 5,009,231,724.59/69,451.43 - Step 6: Final answer
x = 72,125.69
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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.