Finding the Fourth Proportional to 73,516.41, 101,436.97 and 43,290.70
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Solution
The fourth proportional to 73,516.41, 101,436.97 and 43,290.70 is: 59,731.94
Step by Step Solution
- Step 1: Write the proportion equation
73,516.41 : 101,436.97 = 43,290.70 : x - Step 2: Convert to fraction form
73,516.41/101,436.97 = 43,290.70/x - Step 3: Cross multiply
73,516.41x = 101,436.97 × 43,290.70 - Step 4: Simplify right side
73,516.41x = 4,391,277,437.18 - Step 5: Solve for x
x = 4,391,277,437.18/73,516.41 - Step 6: Final answer
x = 59,731.94
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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.