Finding the Fourth Proportional to 127,029.60, 175,305.06 and 69,672.96
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Solution
The fourth proportional to 127,029.60, 175,305.06 and 69,672.96 is: 96,150.99
Step by Step Solution
- Step 1: Write the proportion equation
127,029.60 : 175,305.06 = 69,672.96 : x - Step 2: Convert to fraction form
127,029.60/175,305.06 = 69,672.96/x - Step 3: Cross multiply
127,029.60x = 175,305.06 × 69,672.96 - Step 4: Simplify right side
127,029.60x = 12,214,022,433.18 - Step 5: Solve for x
x = 12,214,022,433.18/127,029.60 - Step 6: Final answer
x = 96,150.99
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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.