Finding the Fourth Proportional to 90,174.88, 135,274.65 and 37,572.09
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Solution
The fourth proportional to 90,174.88, 135,274.65 and 37,572.09 is: 56,363.27
Step by Step Solution
- Step 1: Write the proportion equation
90,174.88 : 135,274.65 = 37,572.09 : x - Step 2: Convert to fraction form
90,174.88/135,274.65 = 37,572.09/x - Step 3: Cross multiply
90,174.88x = 135,274.65 × 37,572.09 - Step 4: Simplify right side
90,174.88x = 5,082,551,324.52 - Step 5: Solve for x
x = 5,082,551,324.52/90,174.88 - Step 6: Final answer
x = 56,363.27
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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.