Finding the Fourth Proportional to 73,273.68, 101,117.72 and 39,739.68
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Solution
The fourth proportional to 73,273.68, 101,117.72 and 39,739.68 is: 54,840.78
Step by Step Solution
- Step 1: Write the proportion equation
73,273.68 : 101,117.72 = 39,739.68 : x - Step 2: Convert to fraction form
73,273.68/101,117.72 = 39,739.68/x - Step 3: Cross multiply
73,273.68x = 101,117.72 × 39,739.68 - Step 4: Simplify right side
73,273.68x = 4,018,385,835.13 - Step 5: Solve for x
x = 4,018,385,835.13/73,273.68 - Step 6: Final answer
x = 54,840.78
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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.