Finding the Fourth Proportional to 92,563.45, 127,734.99 and 54,837.70
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Solution
The fourth proportional to 92,563.45, 127,734.99 and 54,837.70 is: 75,674.50
Step by Step Solution
- Step 1: Write the proportion equation
92,563.45 : 127,734.99 = 54,837.70 : x - Step 2: Convert to fraction form
92,563.45/127,734.99 = 54,837.70/x - Step 3: Cross multiply
92,563.45x = 127,734.99 × 54,837.70 - Step 4: Simplify right side
92,563.45x = 7,004,693,061.12 - Step 5: Solve for x
x = 7,004,693,061.12/92,563.45 - Step 6: Final answer
x = 75,674.50
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1.5x scale
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.