Finding the Fourth Proportional to 75,488.11, 104,183.40 and 48,708.52
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Solution
The fourth proportional to 75,488.11, 104,183.40 and 48,708.52 is: 67,224.09
Step by Step Solution
- Step 1: Write the proportion equation
75,488.11 : 104,183.40 = 48,708.52 : x - Step 2: Convert to fraction form
75,488.11/104,183.40 = 48,708.52/x - Step 3: Cross multiply
75,488.11x = 104,183.40 × 48,708.52 - Step 4: Simplify right side
75,488.11x = 5,074,619,222.57 - Step 5: Solve for x
x = 5,074,619,222.57/75,488.11 - Step 6: Final answer
x = 67,224.09
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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.