Finding the Fourth Proportional to 75,804.76, 113,733.36 and 25,919.99
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Solution
The fourth proportional to 75,804.76, 113,733.36 and 25,919.99 is: 38,888.94
Step by Step Solution
- Step 1: Write the proportion equation
75,804.76 : 113,733.36 = 25,919.99 : x - Step 2: Convert to fraction form
75,804.76/113,733.36 = 25,919.99/x - Step 3: Cross multiply
75,804.76x = 113,733.36 × 25,919.99 - Step 4: Simplify right side
75,804.76x = 2,947,966,985.20 - Step 5: Solve for x
x = 2,947,966,985.20/75,804.76 - Step 6: Final answer
x = 38,888.94
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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.