Finding the Fourth Proportional to 83,286.08, 124,947.36 and 24,124.16
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Solution
The fourth proportional to 83,286.08, 124,947.36 and 24,124.16 is: 36,191.52
Step by Step Solution
- Step 1: Write the proportion equation
83,286.08 : 124,947.36 = 24,124.16 : x - Step 2: Convert to fraction form
83,286.08/124,947.36 = 24,124.16/x - Step 3: Cross multiply
83,286.08x = 124,947.36 × 24,124.16 - Step 4: Simplify right side
83,286.08x = 3,014,250,104.22 - Step 5: Solve for x
x = 3,014,250,104.22/83,286.08 - Step 6: Final answer
x = 36,191.52
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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.