Finding the Fourth Proportional to 127,764.56, 191,675.99 and 39,030.68
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Solution
The fourth proportional to 127,764.56, 191,675.99 and 39,030.68 is: 58,554.92
Step by Step Solution
- Step 1: Write the proportion equation
127,764.56 : 191,675.99 = 39,030.68 : x - Step 2: Convert to fraction form
127,764.56/191,675.99 = 39,030.68/x - Step 3: Cross multiply
127,764.56x = 191,675.99 × 39,030.68 - Step 4: Simplify right side
127,764.56x = 7,481,243,368.57 - Step 5: Solve for x
x = 7,481,243,368.57/127,764.56 - Step 6: Final answer
x = 58,554.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.