Finding the Fourth Proportional to 75,582.72, 104,307.84 and 43,745.92
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Solution
The fourth proportional to 75,582.72, 104,307.84 and 43,745.92 is: 60,371.50
Step by Step Solution
- Step 1: Write the proportion equation
75,582.72 : 104,307.84 = 43,745.92 : x - Step 2: Convert to fraction form
75,582.72/104,307.84 = 43,745.92/x - Step 3: Cross multiply
75,582.72x = 104,307.84 × 43,745.92 - Step 4: Simplify right side
75,582.72x = 4,563,042,424.01 - Step 5: Solve for x
x = 4,563,042,424.01/75,582.72 - Step 6: Final answer
x = 60,371.50
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1.5x scale
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.