Finding the Fourth Proportional to 83,179.31, 124,694.44 and 30,551.99
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Solution
The fourth proportional to 83,179.31, 124,694.44 and 30,551.99 is: 45,800.61
Step by Step Solution
- Step 1: Write the proportion equation
83,179.31 : 124,694.44 = 30,551.99 : x - Step 2: Convert to fraction form
83,179.31/124,694.44 = 30,551.99/x - Step 3: Cross multiply
83,179.31x = 124,694.44 × 30,551.99 - Step 4: Simplify right side
83,179.31x = 3,809,662,584.08 - Step 5: Solve for x
x = 3,809,662,584.08/83,179.31 - Step 6: Final answer
x = 45,800.61
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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.