Finding the Fourth Proportional to 83,428.81, 125,163.77 and 24,264.99
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Solution
The fourth proportional to 83,428.81, 125,163.77 and 24,264.99 is: 36,403.46
Step by Step Solution
- Step 1: Write the proportion equation
83,428.81 : 125,163.77 = 24,264.99 : x - Step 2: Convert to fraction form
83,428.81/125,163.77 = 24,264.99/x - Step 3: Cross multiply
83,428.81x = 125,163.77 × 24,264.99 - Step 4: Simplify right side
83,428.81x = 3,037,097,506.09 - Step 5: Solve for x
x = 3,037,097,506.09/83,428.81 - Step 6: Final answer
x = 36,403.46
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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.