Finding the Fourth Proportional to 68,277.98, 102,416.97 and 21,534.50
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Solution
The fourth proportional to 68,277.98, 102,416.97 and 21,534.50 is: 32,301.75
Step by Step Solution
- Step 1: Write the proportion equation
68,277.98 : 102,416.97 = 21,534.50 : x - Step 2: Convert to fraction form
68,277.98/102,416.97 = 21,534.50/x - Step 3: Cross multiply
68,277.98x = 102,416.97 × 21,534.50 - Step 4: Simplify right side
68,277.98x = 2,205,498,240.47 - Step 5: Solve for x
x = 2,205,498,240.47/68,277.98 - Step 6: Final answer
x = 32,301.75
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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.