Finding the Fourth Proportional to 84,896.90, 127,396.37 and 31,628.06
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Solution
The fourth proportional to 84,896.90, 127,396.37 and 31,628.06 is: 47,461.09
Step by Step Solution
- Step 1: Write the proportion equation
84,896.90 : 127,396.37 = 31,628.06 : x - Step 2: Convert to fraction form
84,896.90/127,396.37 = 31,628.06/x - Step 3: Cross multiply
84,896.90x = 127,396.37 × 31,628.06 - Step 4: Simplify right side
84,896.90x = 4,029,299,476.23 - Step 5: Solve for x
x = 4,029,299,476.23/84,896.90 - Step 6: Final answer
x = 47,461.09
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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.