Finding the Fourth Proportional to 84,405.14, 126,393.44 and 50,649.93
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Solution
The fourth proportional to 84,405.14, 126,393.44 and 50,649.93 is: 75,846.32
Step by Step Solution
- Step 1: Write the proportion equation
84,405.14 : 126,393.44 = 50,649.93 : x - Step 2: Convert to fraction form
84,405.14/126,393.44 = 50,649.93/x - Step 3: Cross multiply
84,405.14x = 126,393.44 × 50,649.93 - Step 4: Simplify right side
84,405.14x = 6,401,819,015.08 - Step 5: Solve for x
x = 6,401,819,015.08/84,405.14 - Step 6: Final answer
x = 75,846.32
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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.