Finding the Fourth Proportional to 75,065.22, 103,614.11 and 49,594.19
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Solution
The fourth proportional to 75,065.22, 103,614.11 and 49,594.19 is: 68,455.90
Step by Step Solution
- Step 1: Write the proportion equation
75,065.22 : 103,614.11 = 49,594.19 : x - Step 2: Convert to fraction form
75,065.22/103,614.11 = 49,594.19/x - Step 3: Cross multiply
75,065.22x = 103,614.11 × 49,594.19 - Step 4: Simplify right side
75,065.22x = 5,138,657,277.96 - Step 5: Solve for x
x = 5,138,657,277.96/75,065.22 - Step 6: Final answer
x = 68,455.90
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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.