Finding the Fourth Proportional to 92,772.73, 139,138.44 and 26,219.08
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Solution
The fourth proportional to 92,772.73, 139,138.44 and 26,219.08 is: 39,322.78
Step by Step Solution
- Step 1: Write the proportion equation
92,772.73 : 139,138.44 = 26,219.08 : x - Step 2: Convert to fraction form
92,772.73/139,138.44 = 26,219.08/x - Step 3: Cross multiply
92,772.73x = 139,138.44 × 26,219.08 - Step 4: Simplify right side
92,772.73x = 3,648,081,889.44 - Step 5: Solve for x
x = 3,648,081,889.44/92,772.73 - Step 6: Final answer
x = 39,322.78
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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.