Finding the Fourth Proportional to 87,677.97, 120,998.39 and 49,954.65
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Solution
The fourth proportional to 87,677.97, 120,998.39 and 49,954.65 is: 68,939.00
Step by Step Solution
- Step 1: Write the proportion equation
87,677.97 : 120,998.39 = 49,954.65 : x - Step 2: Convert to fraction form
87,677.97/120,998.39 = 49,954.65/x - Step 3: Cross multiply
87,677.97x = 120,998.39 × 49,954.65 - Step 4: Simplify right side
87,677.97x = 6,044,431,973.24 - Step 5: Solve for x
x = 6,044,431,973.24/87,677.97 - Step 6: Final answer
x = 68,939.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.