Finding the Fourth Proportional to 92,684.24, 139,027.12 and 60,690.29
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Solution
The fourth proportional to 92,684.24, 139,027.12 and 60,690.29 is: 91,035.92
Step by Step Solution
- Step 1: Write the proportion equation
92,684.24 : 139,027.12 = 60,690.29 : x - Step 2: Convert to fraction form
92,684.24/139,027.12 = 60,690.29/x - Step 3: Cross multiply
92,684.24x = 139,027.12 × 60,690.29 - Step 4: Simplify right side
92,684.24x = 8,437,595,383.80 - Step 5: Solve for x
x = 8,437,595,383.80/92,684.24 - Step 6: Final answer
x = 91,035.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.