Finding the Fourth Proportional to 91,027.18, 125,605.11 and 50,736.16
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Solution
The fourth proportional to 91,027.18, 125,605.11 and 50,736.16 is: 70,008.99
Step by Step Solution
- Step 1: Write the proportion equation
91,027.18 : 125,605.11 = 50,736.16 : x - Step 2: Convert to fraction form
91,027.18/125,605.11 = 50,736.16/x - Step 3: Cross multiply
91,027.18x = 125,605.11 × 50,736.16 - Step 4: Simplify right side
91,027.18x = 6,372,720,957.78 - Step 5: Solve for x
x = 6,372,720,957.78/91,027.18 - Step 6: Final answer
x = 70,008.99
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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.