Finding the Fourth Proportional to 68,632.99, 102,946.44 and 18,713.09
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Solution
The fourth proportional to 68,632.99, 102,946.44 and 18,713.09 is: 28,068.81
Step by Step Solution
- Step 1: Write the proportion equation
68,632.99 : 102,946.44 = 18,713.09 : x - Step 2: Convert to fraction form
68,632.99/102,946.44 = 18,713.09/x - Step 3: Cross multiply
68,632.99x = 102,946.44 × 18,713.09 - Step 4: Simplify right side
68,632.99x = 1,926,446,324.44 - Step 5: Solve for x
x = 1,926,446,324.44/68,632.99 - Step 6: Final answer
x = 28,068.81
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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.