Finding the Fourth Proportional to 107,130.95, 160,716.73 and 43,093.99
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Solution
The fourth proportional to 107,130.95, 160,716.73 and 43,093.99 is: 64,649.15
Step by Step Solution
- Step 1: Write the proportion equation
107,130.95 : 160,716.73 = 43,093.99 : x - Step 2: Convert to fraction form
107,130.95/160,716.73 = 43,093.99/x - Step 3: Cross multiply
107,130.95x = 160,716.73 × 43,093.99 - Step 4: Simplify right side
107,130.95x = 6,925,925,155.45 - Step 5: Solve for x
x = 6,925,925,155.45/107,130.95 - Step 6: Final answer
x = 64,649.15
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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.