Finding the Fourth Proportional to 89,893.86, 134,867.61 and 26,716.08
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Solution
The fourth proportional to 89,893.86, 134,867.61 and 26,716.08 is: 40,082.09
Step by Step Solution
- Step 1: Write the proportion equation
89,893.86 : 134,867.61 = 26,716.08 : x - Step 2: Convert to fraction form
89,893.86/134,867.61 = 26,716.08/x - Step 3: Cross multiply
89,893.86x = 134,867.61 × 26,716.08 - Step 4: Simplify right side
89,893.86x = 3,603,133,858.17 - Step 5: Solve for x
x = 3,603,133,858.17/89,893.86 - Step 6: Final answer
x = 40,082.09
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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.