Finding the Fourth Proportional to 75,743.71, 113,575.77 and 33,605.53
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Solution
The fourth proportional to 75,743.71, 113,575.77 and 33,605.53 is: 50,390.65
Step by Step Solution
- Step 1: Write the proportion equation
75,743.71 : 113,575.77 = 33,605.53 : x - Step 2: Convert to fraction form
75,743.71/113,575.77 = 33,605.53/x - Step 3: Cross multiply
75,743.71x = 113,575.77 × 33,605.53 - Step 4: Simplify right side
75,743.71x = 3,816,774,300.93 - Step 5: Solve for x
x = 3,816,774,300.93/75,743.71 - Step 6: Final answer
x = 50,390.65
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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.