Finding the Fourth Proportional to 73,194.63, 101,008.80 and 39,660.63
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Solution
The fourth proportional to 73,194.63, 101,008.80 and 39,660.63 is: 54,731.78
Step by Step Solution
- Step 1: Write the proportion equation
73,194.63 : 101,008.80 = 39,660.63 : x - Step 2: Convert to fraction form
73,194.63/101,008.80 = 39,660.63/x - Step 3: Cross multiply
73,194.63x = 101,008.80 × 39,660.63 - Step 4: Simplify right side
73,194.63x = 4,006,072,643.54 - Step 5: Solve for x
x = 4,006,072,643.54/73,194.63 - Step 6: Final answer
x = 54,731.78
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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.