Finding the Fourth Proportional to 127,123.13, 175,434.99 and 69,764.47
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Solution
The fourth proportional to 127,123.13, 175,434.99 and 69,764.47 is: 96,277.75
Step by Step Solution
- Step 1: Write the proportion equation
127,123.13 : 175,434.99 = 69,764.47 : x - Step 2: Convert to fraction form
127,123.13/175,434.99 = 69,764.47/x - Step 3: Cross multiply
127,123.13x = 175,434.99 × 69,764.47 - Step 4: Simplify right side
127,123.13x = 12,239,129,096.81 - Step 5: Solve for x
x = 12,239,129,096.81/127,123.13 - Step 6: Final answer
x = 96,277.75
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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.