Finding the Fourth Proportional to 108,625.21, 149,900.49 and 60,877.53
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Solution
The fourth proportional to 108,625.21, 149,900.49 and 60,877.53 is: 84,009.70
Step by Step Solution
- Step 1: Write the proportion equation
108,625.21 : 149,900.49 = 60,877.53 : x - Step 2: Convert to fraction form
108,625.21/149,900.49 = 60,877.53/x - Step 3: Cross multiply
108,625.21x = 149,900.49 × 60,877.53 - Step 4: Simplify right side
108,625.21x = 9,125,571,576.99 - Step 5: Solve for x
x = 9,125,571,576.99/108,625.21 - Step 6: Final answer
x = 84,009.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.