Finding the Fourth Proportional to 75,304.08, 103,917.96 and 41,767.92
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Solution
The fourth proportional to 75,304.08, 103,917.96 and 41,767.92 is: 57,638.80
Step by Step Solution
- Step 1: Write the proportion equation
75,304.08 : 103,917.96 = 41,767.92 : x - Step 2: Convert to fraction form
75,304.08/103,917.96 = 41,767.92/x - Step 3: Cross multiply
75,304.08x = 103,917.96 × 41,767.92 - Step 4: Simplify right side
75,304.08x = 4,340,437,039.84 - Step 5: Solve for x
x = 4,340,437,039.84/75,304.08 - Step 6: Final answer
x = 57,638.80
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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.