Finding the Fourth Proportional to 73,203.18, 101,020.44 and 39,669.18
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Solution
The fourth proportional to 73,203.18, 101,020.44 and 39,669.18 is: 54,743.50
Step by Step Solution
- Step 1: Write the proportion equation
73,203.18 : 101,020.44 = 39,669.18 : x - Step 2: Convert to fraction form
73,203.18/101,020.44 = 39,669.18/x - Step 3: Cross multiply
73,203.18x = 101,020.44 × 39,669.18 - Step 4: Simplify right side
73,203.18x = 4,007,398,018.04 - Step 5: Solve for x
x = 4,007,398,018.04/73,203.18 - Step 6: Final answer
x = 54,743.50
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1.5x scale
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.