Finding the Fourth Proportional to 73,907.56, 101,992.26 and 40,373.80
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Solution
The fourth proportional to 73,907.56, 101,992.26 and 40,373.80 is: 55,715.75
Step by Step Solution
- Step 1: Write the proportion equation
73,907.56 : 101,992.26 = 40,373.80 : x - Step 2: Convert to fraction form
73,907.56/101,992.26 = 40,373.80/x - Step 3: Cross multiply
73,907.56x = 101,992.26 × 40,373.80 - Step 4: Simplify right side
73,907.56x = 4,117,815,106.79 - Step 5: Solve for x
x = 4,117,815,106.79/73,907.56 - Step 6: Final answer
x = 55,715.75
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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.