Finding the Fourth Proportional to 113,813.94, 157,063.24 and 62,826.68
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Solution
The fourth proportional to 113,813.94, 157,063.24 and 62,826.68 is: 86,700.82
Step by Step Solution
- Step 1: Write the proportion equation
113,813.94 : 157,063.24 = 62,826.68 : x - Step 2: Convert to fraction form
113,813.94/157,063.24 = 62,826.68/x - Step 3: Cross multiply
113,813.94x = 157,063.24 × 62,826.68 - Step 4: Simplify right side
113,813.94x = 9,867,761,919.24 - Step 5: Solve for x
x = 9,867,761,919.24/113,813.94 - Step 6: Final answer
x = 86,700.82
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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.