Finding the Fourth Proportional to 87,593.77, 120,879.66 and 50,807.13
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Solution
The fourth proportional to 87,593.77, 120,879.66 and 50,807.13 is: 70,113.99
Step by Step Solution
- Step 1: Write the proportion equation
87,593.77 : 120,879.66 = 50,807.13 : x - Step 2: Convert to fraction form
87,593.77/120,879.66 = 50,807.13/x - Step 3: Cross multiply
87,593.77x = 120,879.66 × 50,807.13 - Step 4: Simplify right side
87,593.77x = 6,141,548,599.98 - Step 5: Solve for x
x = 6,141,548,599.98/87,593.77 - Step 6: Final answer
x = 70,113.99
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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.