Finding the Fourth Proportional to 73,445.04, 101,318.11 and 47,939.63
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Solution
The fourth proportional to 73,445.04, 101,318.11 and 47,939.63 is: 66,133.15
Step by Step Solution
- Step 1: Write the proportion equation
73,445.04 : 101,318.11 = 47,939.63 : x - Step 2: Convert to fraction form
73,445.04/101,318.11 = 47,939.63/x - Step 3: Cross multiply
73,445.04x = 101,318.11 × 47,939.63 - Step 4: Simplify right side
73,445.04x = 4,857,152,079.26 - Step 5: Solve for x
x = 4,857,152,079.26/73,445.04 - Step 6: Final answer
x = 66,133.15
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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.