Finding the Fourth Proportional to 92,581.70, 138,857.70 and 33,386.90
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Solution
The fourth proportional to 92,581.70, 138,857.70 and 33,386.90 is: 50,074.99
Step by Step Solution
- Step 1: Write the proportion equation
92,581.70 : 138,857.70 = 33,386.90 : x - Step 2: Convert to fraction form
92,581.70/138,857.70 = 33,386.90/x - Step 3: Cross multiply
92,581.70x = 138,857.70 × 33,386.90 - Step 4: Simplify right side
92,581.70x = 4,636,028,144.13 - Step 5: Solve for x
x = 4,636,028,144.13/92,581.70 - Step 6: Final answer
x = 50,074.99
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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.