Finding the Fourth Proportional to 89,826.26, 134,746.25 and 52,390.08
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Solution
The fourth proportional to 89,826.26, 134,746.25 and 52,390.08 is: 78,589.12
Step by Step Solution
- Step 1: Write the proportion equation
89,826.26 : 134,746.25 = 52,390.08 : x - Step 2: Convert to fraction form
89,826.26/134,746.25 = 52,390.08/x - Step 3: Cross multiply
89,826.26x = 134,746.25 × 52,390.08 - Step 4: Simplify right side
89,826.26x = 7,059,366,555.25 - Step 5: Solve for x
x = 7,059,366,555.25/89,826.26 - Step 6: Final answer
x = 78,589.12
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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.