Finding the Fourth Proportional to 73,442.19, 101,350.86 and 39,908.19
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Solution
The fourth proportional to 73,442.19, 101,350.86 and 39,908.19 is: 55,073.65
Step by Step Solution
- Step 1: Write the proportion equation
73,442.19 : 101,350.86 = 39,908.19 : x - Step 2: Convert to fraction form
73,442.19/101,350.86 = 39,908.19/x - Step 3: Cross multiply
73,442.19x = 101,350.86 × 39,908.19 - Step 4: Simplify right side
73,442.19x = 4,044,729,377.54 - Step 5: Solve for x
x = 4,044,729,377.54/73,442.19 - Step 6: Final answer
x = 55,073.65
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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.