Finding the Fourth Proportional to 75,047.64, 112,615.65 and 27,696.05
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Solution
The fourth proportional to 75,047.64, 112,615.65 and 27,696.05 is: 41,560.38
Step by Step Solution
- Step 1: Write the proportion equation
75,047.64 : 112,615.65 = 27,696.05 : x - Step 2: Convert to fraction form
75,047.64/112,615.65 = 27,696.05/x - Step 3: Cross multiply
75,047.64x = 112,615.65 × 27,696.05 - Step 4: Simplify right side
75,047.64x = 3,119,008,110.10 - Step 5: Solve for x
x = 3,119,008,110.10/75,047.64 - Step 6: Final answer
x = 41,560.38
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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.