Finding the Fourth Proportional to 75,808.10, 104,594.19 and 48,951.74
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Solution
The fourth proportional to 75,808.10, 104,594.19 and 48,951.74 is: 67,539.85
Step by Step Solution
- Step 1: Write the proportion equation
75,808.10 : 104,594.19 = 48,951.74 : x - Step 2: Convert to fraction form
75,808.10/104,594.19 = 48,951.74/x - Step 3: Cross multiply
75,808.10x = 104,594.19 × 48,951.74 - Step 4: Simplify right side
75,808.10x = 5,120,067,672.31 - Step 5: Solve for x
x = 5,120,067,672.31/75,808.10 - Step 6: Final answer
x = 67,539.85
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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.