Finding the Fourth Proportional to 75,638.08, 104,379.44 and 42,104.08
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Solution
The fourth proportional to 75,638.08, 104,379.44 and 42,104.08 is: 58,103.01
Step by Step Solution
- Step 1: Write the proportion equation
75,638.08 : 104,379.44 = 42,104.08 : x - Step 2: Convert to fraction form
75,638.08/104,379.44 = 42,104.08/x - Step 3: Cross multiply
75,638.08x = 104,379.44 × 42,104.08 - Step 4: Simplify right side
75,638.08x = 4,394,800,292.12 - Step 5: Solve for x
x = 4,394,800,292.12/75,638.08 - Step 6: Final answer
x = 58,103.01
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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.