Finding the Fourth Proportional to 97,142.23, 145,626.90 and 37,964.44
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Solution
The fourth proportional to 97,142.23, 145,626.90 and 37,964.44 is: 56,912.88
Step by Step Solution
- Step 1: Write the proportion equation
97,142.23 : 145,626.90 = 37,964.44 : x - Step 2: Convert to fraction form
97,142.23/145,626.90 = 37,964.44/x - Step 3: Cross multiply
97,142.23x = 145,626.90 × 37,964.44 - Step 4: Simplify right side
97,142.23x = 5,528,643,707.44 - Step 5: Solve for x
x = 5,528,643,707.44/97,142.23 - Step 6: Final answer
x = 56,912.88
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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.