Finding the Fourth Proportional to 127,307.70, 175,687.63 and 69,946.49
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Solution
The fourth proportional to 127,307.70, 175,687.63 and 69,946.49 is: 96,527.80
Step by Step Solution
- Step 1: Write the proportion equation
127,307.70 : 175,687.63 = 69,946.49 : x - Step 2: Convert to fraction form
127,307.70/175,687.63 = 69,946.49/x - Step 3: Cross multiply
127,307.70x = 175,687.63 × 69,946.49 - Step 4: Simplify right side
127,307.70x = 12,288,732,724.48 - Step 5: Solve for x
x = 12,288,732,724.48/127,307.70 - Step 6: Final answer
x = 96,527.80
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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.