Finding the Fourth Proportional to 127,483.76, 175,920.09 and 73,764.96
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Solution
The fourth proportional to 127,483.76, 175,920.09 and 73,764.96 is: 101,791.31
Step by Step Solution
- Step 1: Write the proportion equation
127,483.76 : 175,920.09 = 73,764.96 : x - Step 2: Convert to fraction form
127,483.76/175,920.09 = 73,764.96/x - Step 3: Cross multiply
127,483.76x = 175,920.09 × 73,764.96 - Step 4: Simplify right side
127,483.76x = 12,976,738,402.05 - Step 5: Solve for x
x = 12,976,738,402.05/127,483.76 - Step 6: Final answer
x = 101,791.31
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1.5x scale
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.