Finding the Fourth Proportional to 91,270.34, 125,950.15 and 53,033.08
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Solution
The fourth proportional to 91,270.34, 125,950.15 and 53,033.08 is: 73,183.95
Step by Step Solution
- Step 1: Write the proportion equation
91,270.34 : 125,950.15 = 53,033.08 : x - Step 2: Convert to fraction form
91,270.34/125,950.15 = 53,033.08/x - Step 3: Cross multiply
91,270.34x = 125,950.15 × 53,033.08 - Step 4: Simplify right side
91,270.34x = 6,679,524,380.96 - Step 5: Solve for x
x = 6,679,524,380.96/91,270.34 - Step 6: Final answer
x = 73,183.95
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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.