Finding the Fourth Proportional to 127,456.69, 175,881.09 and 70,099.99
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Solution
The fourth proportional to 127,456.69, 175,881.09 and 70,099.99 is: 96,732.96
Step by Step Solution
- Step 1: Write the proportion equation
127,456.69 : 175,881.09 = 70,099.99 : x - Step 2: Convert to fraction form
127,456.69/175,881.09 = 70,099.99/x - Step 3: Cross multiply
127,456.69x = 175,881.09 × 70,099.99 - Step 4: Simplify right side
127,456.69x = 12,329,262,650.19 - Step 5: Solve for x
x = 12,329,262,650.19/127,456.69 - Step 6: Final answer
x = 96,732.96
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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.