Finding the Fourth Proportional to 127,455.69, 175,879.71 and 70,098.99
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Solution
The fourth proportional to 127,455.69, 175,879.71 and 70,098.99 is: 96,731.58
Step by Step Solution
- Step 1: Write the proportion equation
127,455.69 : 175,879.71 = 70,098.99 : x - Step 2: Convert to fraction form
127,455.69/175,879.71 = 70,098.99/x - Step 3: Cross multiply
127,455.69x = 175,879.71 × 70,098.99 - Step 4: Simplify right side
127,455.69x = 12,328,990,032.49 - Step 5: Solve for x
x = 12,328,990,032.49/127,455.69 - Step 6: Final answer
x = 96,731.58
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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.