Finding the Fourth Proportional to 75,268.29, 112,910.63 and 33,130.26
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Solution
The fourth proportional to 75,268.29, 112,910.63 and 33,130.26 is: 49,698.99
Step by Step Solution
- Step 1: Write the proportion equation
75,268.29 : 112,910.63 = 33,130.26 : x - Step 2: Convert to fraction form
75,268.29/112,910.63 = 33,130.26/x - Step 3: Cross multiply
75,268.29x = 112,910.63 × 33,130.26 - Step 4: Simplify right side
75,268.29x = 3,740,758,363.01 - Step 5: Solve for x
x = 3,740,758,363.01/75,268.29 - Step 6: Final answer
x = 49,698.99
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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.