Finding the Fourth Proportional to 75,304.96, 112,975.67 and 22,711.26
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Solution
The fourth proportional to 75,304.96, 112,975.67 and 22,711.26 is: 34,072.39
Step by Step Solution
- Step 1: Write the proportion equation
75,304.96 : 112,975.67 = 22,711.26 : x - Step 2: Convert to fraction form
75,304.96/112,975.67 = 22,711.26/x - Step 3: Cross multiply
75,304.96x = 112,975.67 × 22,711.26 - Step 4: Simplify right side
75,304.96x = 2,565,819,815.04 - Step 5: Solve for x
x = 2,565,819,815.04/75,304.96 - Step 6: Final answer
x = 34,072.39
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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.