Finding the Fourth Proportional to 75,164.40, 103,516.92 and 73,531.44
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Solution
The fourth proportional to 75,164.40, 103,516.92 and 73,531.44 is: 101,268.00
Step by Step Solution
- Step 1: Write the proportion equation
75,164.40 : 103,516.92 = 73,531.44 : x - Step 2: Convert to fraction form
75,164.40/103,516.92 = 73,531.44/x - Step 3: Cross multiply
75,164.40x = 103,516.92 × 73,531.44 - Step 4: Simplify right side
75,164.40x = 7,611,748,191.96 - Step 5: Solve for x
x = 7,611,748,191.96/75,164.40 - Step 6: Final answer
x = 101,268.00
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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.