Finding the Fourth Proportional to 91,224.35, 125,888.41 and 50,938.80
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Solution
The fourth proportional to 91,224.35, 125,888.41 and 50,938.80 is: 70,294.88
Step by Step Solution
- Step 1: Write the proportion equation
91,224.35 : 125,888.41 = 50,938.80 : x - Step 2: Convert to fraction form
91,224.35/125,888.41 = 50,938.80/x - Step 3: Cross multiply
91,224.35x = 125,888.41 × 50,938.80 - Step 4: Simplify right side
91,224.35x = 6,412,604,539.31 - Step 5: Solve for x
x = 6,412,604,539.31/91,224.35 - Step 6: Final answer
x = 70,294.88
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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.