Finding the Fourth Proportional to 76,603.38, 114,784.92 and 48,463.98
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Solution
The fourth proportional to 76,603.38, 114,784.92 and 48,463.98 is: 72,619.96
Step by Step Solution
- Step 1: Write the proportion equation
76,603.38 : 114,784.92 = 48,463.98 : x - Step 2: Convert to fraction form
76,603.38/114,784.92 = 48,463.98/x - Step 3: Cross multiply
76,603.38x = 114,784.92 × 48,463.98 - Step 4: Simplify right side
76,603.38x = 5,562,934,067.18 - Step 5: Solve for x
x = 5,562,934,067.18/76,603.38 - Step 6: Final answer
x = 72,619.96
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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.