Finding the Fourth Proportional to 91,266.97, 125,945.76 and 50,430.44
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Solution
The fourth proportional to 91,266.97, 125,945.76 and 50,430.44 is: 69,592.54
Step by Step Solution
- Step 1: Write the proportion equation
91,266.97 : 125,945.76 = 50,430.44 : x - Step 2: Convert to fraction form
91,266.97/125,945.76 = 50,430.44/x - Step 3: Cross multiply
91,266.97x = 125,945.76 × 50,430.44 - Step 4: Simplify right side
91,266.97x = 6,351,500,092.93 - Step 5: Solve for x
x = 6,351,500,092.93/91,266.97 - Step 6: Final answer
x = 69,592.54
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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.