Finding the Fourth Proportional to 127,527.87, 175,992.24 and 70,173.12
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Solution
The fourth proportional to 127,527.87, 175,992.24 and 70,173.12 is: 96,840.99
Step by Step Solution
- Step 1: Write the proportion equation
127,527.87 : 175,992.24 = 70,173.12 : x - Step 2: Convert to fraction form
127,527.87/175,992.24 = 70,173.12/x - Step 3: Cross multiply
127,527.87x = 175,992.24 × 70,173.12 - Step 4: Simplify right side
127,527.87x = 12,349,924,576.59 - Step 5: Solve for x
x = 12,349,924,576.59/127,527.87 - Step 6: Final answer
x = 96,840.99
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1.5x scale
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.