Finding the Fourth Proportional to 78,850.68, 108,812.98 and 44,859.09
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Solution
The fourth proportional to 78,850.68, 108,812.98 and 44,859.09 is: 61,905.00
Step by Step Solution
- Step 1: Write the proportion equation
78,850.68 : 108,812.98 = 44,859.09 : x - Step 2: Convert to fraction form
78,850.68/108,812.98 = 44,859.09/x - Step 3: Cross multiply
78,850.68x = 108,812.98 × 44,859.09 - Step 4: Simplify right side
78,850.68x = 4,881,250,988.87 - Step 5: Solve for x
x = 4,881,250,988.87/78,850.68 - Step 6: Final answer
x = 61,905.00
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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.