Finding the Fourth Proportional to 92,662.47, 127,874.43 and 50,220.99
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Solution
The fourth proportional to 92,662.47, 127,874.43 and 50,220.99 is: 69,305.09
Step by Step Solution
- Step 1: Write the proportion equation
92,662.47 : 127,874.43 = 50,220.99 : x - Step 2: Convert to fraction form
92,662.47/127,874.43 = 50,220.99/x - Step 3: Cross multiply
92,662.47x = 127,874.43 × 50,220.99 - Step 4: Simplify right side
92,662.47x = 6,421,980,470.29 - Step 5: Solve for x
x = 6,421,980,470.29/92,662.47 - Step 6: Final answer
x = 69,305.09
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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.