Finding the Fourth Proportional to 92,397.96, 127,509.12 and 49,956.54
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Solution
The fourth proportional to 92,397.96, 127,509.12 and 49,956.54 is: 68,939.99
Step by Step Solution
- Step 1: Write the proportion equation
92,397.96 : 127,509.12 = 49,956.54 : x - Step 2: Convert to fraction form
92,397.96/127,509.12 = 49,956.54/x - Step 3: Cross multiply
92,397.96x = 127,509.12 × 49,956.54 - Step 4: Simplify right side
92,397.96x = 6,369,914,453.64 - Step 5: Solve for x
x = 6,369,914,453.64/92,397.96 - Step 6: Final answer
x = 68,939.99
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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.