Finding the Fourth Proportional to 75,445.19, 104,113.87 and 41,454.05
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Solution
The fourth proportional to 75,445.19, 104,113.87 and 41,454.05 is: 57,206.31
Step by Step Solution
- Step 1: Write the proportion equation
75,445.19 : 104,113.87 = 41,454.05 : x - Step 2: Convert to fraction form
75,445.19/104,113.87 = 41,454.05/x - Step 3: Cross multiply
75,445.19x = 104,113.87 × 41,454.05 - Step 4: Simplify right side
75,445.19x = 4,315,941,338.90 - Step 5: Solve for x
x = 4,315,941,338.90/75,445.19 - Step 6: Final answer
x = 57,206.31
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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.