Finding the Fourth Proportional to 74,523.24, 102,814.52 and 44,309.84
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Solution
The fourth proportional to 74,523.24, 102,814.52 and 44,309.84 is: 61,131.19
Step by Step Solution
- Step 1: Write the proportion equation
74,523.24 : 102,814.52 = 44,309.84 : x - Step 2: Convert to fraction form
74,523.24/102,814.52 = 44,309.84/x - Step 3: Cross multiply
74,523.24x = 102,814.52 × 44,309.84 - Step 4: Simplify right side
74,523.24x = 4,555,694,195.26 - Step 5: Solve for x
x = 4,555,694,195.26/74,523.24 - Step 6: Final answer
x = 61,131.19
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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.