Finding the Fourth Proportional to 75,702.99, 104,470.23 and 41,247.57
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Solution
The fourth proportional to 75,702.99, 104,470.23 and 41,247.57 is: 56,921.70
Step by Step Solution
- Step 1: Write the proportion equation
75,702.99 : 104,470.23 = 41,247.57 : x - Step 2: Convert to fraction form
75,702.99/104,470.23 = 41,247.57/x - Step 3: Cross multiply
75,702.99x = 104,470.23 × 41,247.57 - Step 4: Simplify right side
75,702.99x = 4,309,143,124.84 - Step 5: Solve for x
x = 4,309,143,124.84/75,702.99 - Step 6: Final answer
x = 56,921.70
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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.