Finding the Fourth Proportional to 75,191.49, 103,766.47 and 41,202.98
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Solution
The fourth proportional to 75,191.49, 103,766.47 and 41,202.98 is: 56,861.32
Step by Step Solution
- Step 1: Write the proportion equation
75,191.49 : 103,766.47 = 41,202.98 : x - Step 2: Convert to fraction form
75,191.49/103,766.47 = 41,202.98/x - Step 3: Cross multiply
75,191.49x = 103,766.47 × 41,202.98 - Step 4: Simplify right side
75,191.49x = 4,275,487,555.37 - Step 5: Solve for x
x = 4,275,487,555.37/75,191.49 - Step 6: Final answer
x = 56,861.32
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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.