Finding the Fourth Proportional to 76,587.25, 105,674.77 and 44,749.99
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Solution
The fourth proportional to 76,587.25, 105,674.77 and 44,749.99 is: 61,745.85
Step by Step Solution
- Step 1: Write the proportion equation
76,587.25 : 105,674.77 = 44,749.99 : x - Step 2: Convert to fraction form
76,587.25/105,674.77 = 44,749.99/x - Step 3: Cross multiply
76,587.25x = 105,674.77 × 44,749.99 - Step 4: Simplify right side
76,587.25x = 4,728,944,900.75 - Step 5: Solve for x
x = 4,728,944,900.75/76,587.25 - Step 6: Final answer
x = 61,745.85
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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.