Finding the Fourth Proportional to 104,133.99, 143,689.49 and 58,811.15
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Solution
The fourth proportional to 104,133.99, 143,689.49 and 58,811.15 is: 81,150.67
Step by Step Solution
- Step 1: Write the proportion equation
104,133.99 : 143,689.49 = 58,811.15 : x - Step 2: Convert to fraction form
104,133.99/143,689.49 = 58,811.15/x - Step 3: Cross multiply
104,133.99x = 143,689.49 × 58,811.15 - Step 4: Simplify right side
104,133.99x = 8,450,543,137.31 - Step 5: Solve for x
x = 8,450,543,137.31/104,133.99 - Step 6: Final answer
x = 81,150.67
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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.