Finding the Fourth Proportional to 127,528.44, 175,988.42 and 70,171.26
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Solution
The fourth proportional to 127,528.44, 175,988.42 and 70,171.26 is: 96,835.88
Step by Step Solution
- Step 1: Write the proportion equation
127,528.44 : 175,988.42 = 70,171.26 : x - Step 2: Convert to fraction form
127,528.44/175,988.42 = 70,171.26/x - Step 3: Cross multiply
127,528.44x = 175,988.42 × 70,171.26 - Step 4: Simplify right side
127,528.44x = 12,349,329,176.81 - Step 5: Solve for x
x = 12,349,329,176.81/127,528.44 - Step 6: Final answer
x = 96,835.88
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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.