Finding the Fourth Proportional to 75,605.55, 113,403.77 and 33,473.31
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Solution
The fourth proportional to 75,605.55, 113,403.77 and 33,473.31 is: 50,207.95
Step by Step Solution
- Step 1: Write the proportion equation
75,605.55 : 113,403.77 = 33,473.31 : x - Step 2: Convert to fraction form
75,605.55/113,403.77 = 33,473.31/x - Step 3: Cross multiply
75,605.55x = 113,403.77 × 33,473.31 - Step 4: Simplify right side
75,605.55x = 3,795,999,381.01 - Step 5: Solve for x
x = 3,795,999,381.01/75,605.55 - Step 6: Final answer
x = 50,207.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.