Finding the Fourth Proportional to 92,242.08, 127,296.63 and 56,431.44
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Solution
The fourth proportional to 92,242.08, 127,296.63 and 56,431.44 is: 77,876.95
Step by Step Solution
- Step 1: Write the proportion equation
92,242.08 : 127,296.63 = 56,431.44 : x - Step 2: Convert to fraction form
92,242.08/127,296.63 = 56,431.44/x - Step 3: Cross multiply
92,242.08x = 127,296.63 × 56,431.44 - Step 4: Simplify right side
92,242.08x = 7,183,532,138.05 - Step 5: Solve for x
x = 7,183,532,138.05/92,242.08 - Step 6: Final answer
x = 77,876.95
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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.