Finding the Fourth Proportional to 77,295.06, 115,745.75 and 50,919.84
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Solution
The fourth proportional to 77,295.06, 115,745.75 and 50,919.84 is: 76,250.09
Step by Step Solution
- Step 1: Write the proportion equation
77,295.06 : 115,745.75 = 50,919.84 : x - Step 2: Convert to fraction form
77,295.06/115,745.75 = 50,919.84/x - Step 3: Cross multiply
77,295.06x = 115,745.75 × 50,919.84 - Step 4: Simplify right side
77,295.06x = 5,893,755,632.03 - Step 5: Solve for x
x = 5,893,755,632.03/77,295.06 - Step 6: Final answer
x = 76,250.09
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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.