Finding the Fourth Proportional to 92,907.68, 139,266.16 and 36,724.96
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Solution
The fourth proportional to 92,907.68, 139,266.16 and 36,724.96 is: 55,049.75
Step by Step Solution
- Step 1: Write the proportion equation
92,907.68 : 139,266.16 = 36,724.96 : x - Step 2: Convert to fraction form
92,907.68/139,266.16 = 36,724.96/x - Step 3: Cross multiply
92,907.68x = 139,266.16 × 36,724.96 - Step 4: Simplify right side
92,907.68x = 5,114,544,155.35 - Step 5: Solve for x
x = 5,114,544,155.35/92,907.68 - Step 6: Final answer
x = 55,049.75
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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.