Finding the Fourth Proportional to 78,988.26, 108,996.08 and 44,994.08
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Solution
The fourth proportional to 78,988.26, 108,996.08 and 44,994.08 is: 62,087.43
Step by Step Solution
- Step 1: Write the proportion equation
78,988.26 : 108,996.08 = 44,994.08 : x - Step 2: Convert to fraction form
78,988.26/108,996.08 = 44,994.08/x - Step 3: Cross multiply
78,988.26x = 108,996.08 × 44,994.08 - Step 4: Simplify right side
78,988.26x = 4,904,178,343.21 - Step 5: Solve for x
x = 4,904,178,343.21/78,988.26 - Step 6: Final answer
x = 62,087.43
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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.