Finding the Fourth Proportional to 127,112.68, 175,415.52 and 70,523.92
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Solution
The fourth proportional to 127,112.68, 175,415.52 and 70,523.92 is: 97,323.02
Step by Step Solution
- Step 1: Write the proportion equation
127,112.68 : 175,415.52 = 70,523.92 : x - Step 2: Convert to fraction form
127,112.68/175,415.52 = 70,523.92/x - Step 3: Cross multiply
127,112.68x = 175,415.52 × 70,523.92 - Step 4: Simplify right side
127,112.68x = 12,370,990,099.24 - Step 5: Solve for x
x = 12,370,990,099.24/127,112.68 - Step 6: Final answer
x = 97,323.02
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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.