Finding the Fourth Proportional to 79,917.42, 110,285.49 and 44,107.43
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Solution
The fourth proportional to 79,917.42, 110,285.49 and 44,107.43 is: 60,867.95
Step by Step Solution
- Step 1: Write the proportion equation
79,917.42 : 110,285.49 = 44,107.43 : x - Step 2: Convert to fraction form
79,917.42/110,285.49 = 44,107.43/x - Step 3: Cross multiply
79,917.42x = 110,285.49 × 44,107.43 - Step 4: Simplify right side
79,917.42x = 4,864,409,454.34 - Step 5: Solve for x
x = 4,864,409,454.34/79,917.42 - Step 6: Final answer
x = 60,867.95
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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.