Finding the Fourth Proportional to 92,143.47, 127,164.42 and 51,861.09
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Solution
The fourth proportional to 92,143.47, 127,164.42 and 51,861.09 is: 71,571.92
Step by Step Solution
- Step 1: Write the proportion equation
92,143.47 : 127,164.42 = 51,861.09 : x - Step 2: Convert to fraction form
92,143.47/127,164.42 = 51,861.09/x - Step 3: Cross multiply
92,143.47x = 127,164.42 × 51,861.09 - Step 4: Simplify right side
92,143.47x = 6,594,885,430.42 - Step 5: Solve for x
x = 6,594,885,430.42/92,143.47 - Step 6: Final answer
x = 71,571.92
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1.5x scale
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.