Finding the Fourth Proportional to 92,121.36, 127,125.96 and 51,835.08
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Solution
The fourth proportional to 92,121.36, 127,125.96 and 51,835.08 is: 71,531.56
Step by Step Solution
- Step 1: Write the proportion equation
92,121.36 : 127,125.96 = 51,835.08 : x - Step 2: Convert to fraction form
92,121.36/127,125.96 = 51,835.08/x - Step 3: Cross multiply
92,121.36x = 127,125.96 × 51,835.08 - Step 4: Simplify right side
92,121.36x = 6,589,584,306.68 - Step 5: Solve for x
x = 6,589,584,306.68/92,121.36 - Step 6: Final answer
x = 71,531.56
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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.