Finding the Fourth Proportional to 92,904.08, 128,207.67 and 50,463.50
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Solution
The fourth proportional to 92,904.08, 128,207.67 and 50,463.50 is: 69,639.65
Step by Step Solution
- Step 1: Write the proportion equation
92,904.08 : 128,207.67 = 50,463.50 : x - Step 2: Convert to fraction form
92,904.08/128,207.67 = 50,463.50/x - Step 3: Cross multiply
92,904.08x = 128,207.67 × 50,463.50 - Step 4: Simplify right side
92,904.08x = 6,469,807,755.05 - Step 5: Solve for x
x = 6,469,807,755.05/92,904.08 - Step 6: Final answer
x = 69,639.65
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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.