Finding the Fourth Proportional to 104,042.43, 143,578.58 and 56,295.63
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Solution
The fourth proportional to 104,042.43, 143,578.58 and 56,295.63 is: 77,687.98
Step by Step Solution
- Step 1: Write the proportion equation
104,042.43 : 143,578.58 = 56,295.63 : x - Step 2: Convert to fraction form
104,042.43/143,578.58 = 56,295.63/x - Step 3: Cross multiply
104,042.43x = 143,578.58 × 56,295.63 - Step 4: Simplify right side
104,042.43x = 8,082,846,334.13 - Step 5: Solve for x
x = 8,082,846,334.13/104,042.43 - Step 6: Final answer
x = 77,687.98
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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.