Finding the Fourth Proportional to 86,124.88, 129,246.36 and 33,534.64
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Solution
The fourth proportional to 86,124.88, 129,246.36 and 33,534.64 is: 50,324.95
Step by Step Solution
- Step 1: Write the proportion equation
86,124.88 : 129,246.36 = 33,534.64 : x - Step 2: Convert to fraction form
86,124.88/129,246.36 = 33,534.64/x - Step 3: Cross multiply
86,124.88x = 129,246.36 × 33,534.64 - Step 4: Simplify right side
86,124.88x = 4,334,230,153.91 - Step 5: Solve for x
x = 4,334,230,153.91/86,124.88 - Step 6: Final answer
x = 50,324.95
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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.