Finding the Fourth Proportional to 73,846.68, 101,907.88 and 40,312.68
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Solution
The fourth proportional to 73,846.68, 101,907.88 and 40,312.68 is: 55,631.20
Step by Step Solution
- Step 1: Write the proportion equation
73,846.68 : 101,907.88 = 40,312.68 : x - Step 2: Convert to fraction form
73,846.68/101,907.88 = 40,312.68/x - Step 3: Cross multiply
73,846.68x = 101,907.88 × 40,312.68 - Step 4: Simplify right side
73,846.68x = 4,108,179,755.92 - Step 5: Solve for x
x = 4,108,179,755.92/73,846.68 - Step 6: Final answer
x = 55,631.20
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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.