Finding the Fourth Proportional to 90,373.74, 135,559.81 and 27,193.53
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Solution
The fourth proportional to 90,373.74, 135,559.81 and 27,193.53 is: 40,790.05
Step by Step Solution
- Step 1: Write the proportion equation
90,373.74 : 135,559.81 = 27,193.53 : x - Step 2: Convert to fraction form
90,373.74/135,559.81 = 27,193.53/x - Step 3: Cross multiply
90,373.74x = 135,559.81 × 27,193.53 - Step 4: Simplify right side
90,373.74x = 3,686,349,760.03 - Step 5: Solve for x
x = 3,686,349,760.03/90,373.74 - Step 6: Final answer
x = 40,790.05
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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.