Finding the Fourth Proportional to 83,436.24, 125,049.40 and 59,619.92
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Solution
The fourth proportional to 83,436.24, 125,049.40 and 59,619.92 is: 89,354.88
Step by Step Solution
- Step 1: Write the proportion equation
83,436.24 : 125,049.40 = 59,619.92 : x - Step 2: Convert to fraction form
83,436.24/125,049.40 = 59,619.92/x - Step 3: Cross multiply
83,436.24x = 125,049.40 × 59,619.92 - Step 4: Simplify right side
83,436.24x = 7,455,435,224.05 - Step 5: Solve for x
x = 7,455,435,224.05/83,436.24 - Step 6: Final answer
x = 89,354.88
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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.