Finding the Fourth Proportional to 74,660.10, 112,033.35 and 27,917.70
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Solution
The fourth proportional to 74,660.10, 112,033.35 and 27,917.70 is: 41,892.70
Step by Step Solution
- Step 1: Write the proportion equation
74,660.10 : 112,033.35 = 27,917.70 : x - Step 2: Convert to fraction form
74,660.10/112,033.35 = 27,917.70/x - Step 3: Cross multiply
74,660.10x = 112,033.35 × 27,917.70 - Step 4: Simplify right side
74,660.10x = 3,127,713,455.30 - Step 5: Solve for x
x = 3,127,713,455.30/74,660.10 - Step 6: Final answer
x = 41,892.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.