Finding the Fourth Proportional to 90,463.77, 135,474.12 and 63,744.09
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Solution
The fourth proportional to 90,463.77, 135,474.12 and 63,744.09 is: 95,460.03
Step by Step Solution
- Step 1: Write the proportion equation
90,463.77 : 135,474.12 = 63,744.09 : x - Step 2: Convert to fraction form
90,463.77/135,474.12 = 63,744.09/x - Step 3: Cross multiply
90,463.77x = 135,474.12 × 63,744.09 - Step 4: Simplify right side
90,463.77x = 8,635,674,497.95 - Step 5: Solve for x
x = 8,635,674,497.95/90,463.77 - Step 6: Final answer
x = 95,460.03
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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.