Finding the Fourth Proportional to 76,507.76, 105,550.49 and 44,236.49
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Solution
The fourth proportional to 76,507.76, 105,550.49 and 44,236.49 is: 61,028.88
Step by Step Solution
- Step 1: Write the proportion equation
76,507.76 : 105,550.49 = 44,236.49 : x - Step 2: Convert to fraction form
76,507.76/105,550.49 = 44,236.49/x - Step 3: Cross multiply
76,507.76x = 105,550.49 × 44,236.49 - Step 4: Simplify right side
76,507.76x = 4,669,182,778.22 - Step 5: Solve for x
x = 4,669,182,778.22/76,507.76 - Step 6: Final answer
x = 61,028.88
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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.