Finding the Fourth Proportional to 104,239.65, 143,850.67 and 56,492.99
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Solution
The fourth proportional to 104,239.65, 143,850.67 and 56,492.99 is: 77,960.30
Step by Step Solution
- Step 1: Write the proportion equation
104,239.65 : 143,850.67 = 56,492.99 : x - Step 2: Convert to fraction form
104,239.65/143,850.67 = 56,492.99/x - Step 3: Cross multiply
104,239.65x = 143,850.67 × 56,492.99 - Step 4: Simplify right side
104,239.65x = 8,126,554,461.80 - Step 5: Solve for x
x = 8,126,554,461.80/104,239.65 - Step 6: Final answer
x = 77,960.30
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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.