Finding the Fourth Proportional to 83,442.70, 125,108.70 and 46,020.70
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Solution
The fourth proportional to 83,442.70, 125,108.70 and 46,020.70 is: 69,000.52
Step by Step Solution
- Step 1: Write the proportion equation
83,442.70 : 125,108.70 = 46,020.70 : x - Step 2: Convert to fraction form
83,442.70/125,108.70 = 46,020.70/x - Step 3: Cross multiply
83,442.70x = 125,108.70 × 46,020.70 - Step 4: Simplify right side
83,442.70x = 5,757,589,950.09 - Step 5: Solve for x
x = 5,757,589,950.09/83,442.70 - Step 6: Final answer
x = 69,000.52
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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.