Finding the Fourth Proportional to 89,815.40, 134,733.84 and 36,495.99
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Solution
The fourth proportional to 89,815.40, 134,733.84 and 36,495.99 is: 54,748.35
Step by Step Solution
- Step 1: Write the proportion equation
89,815.40 : 134,733.84 = 36,495.99 : x - Step 2: Convert to fraction form
89,815.40/134,733.84 = 36,495.99/x - Step 3: Cross multiply
89,815.40x = 134,733.84 × 36,495.99 - Step 4: Simplify right side
89,815.40x = 4,917,244,877.30 - Step 5: Solve for x
x = 4,917,244,877.30/89,815.40 - Step 6: Final answer
x = 54,748.35
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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.