Finding the Fourth Proportional to 104,113.97, 143,677.08 and 56,367.31
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Solution
The fourth proportional to 104,113.97, 143,677.08 and 56,367.31 is: 77,786.78
Step by Step Solution
- Step 1: Write the proportion equation
104,113.97 : 143,677.08 = 56,367.31 : x - Step 2: Convert to fraction form
104,113.97/143,677.08 = 56,367.31/x - Step 3: Cross multiply
104,113.97x = 143,677.08 × 56,367.31 - Step 4: Simplify right side
104,113.97x = 8,098,690,508.25 - Step 5: Solve for x
x = 8,098,690,508.25/104,113.97 - Step 6: Final answer
x = 77,786.78
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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.