Finding the Fourth Proportional to 73,939.68, 102,048.60 and 58,144.08
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Solution
The fourth proportional to 73,939.68, 102,048.60 and 58,144.08 is: 80,248.14
Step by Step Solution
- Step 1: Write the proportion equation
73,939.68 : 102,048.60 = 58,144.08 : x - Step 2: Convert to fraction form
73,939.68/102,048.60 = 58,144.08/x - Step 3: Cross multiply
73,939.68x = 102,048.60 × 58,144.08 - Step 4: Simplify right side
73,939.68x = 5,933,521,962.29 - Step 5: Solve for x
x = 5,933,521,962.29/73,939.68 - Step 6: Final answer
x = 80,248.14
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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.