Finding the Fourth Proportional to 73,364.75, 101,243.36 and 39,830.75
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Solution
The fourth proportional to 73,364.75, 101,243.36 and 39,830.75 is: 54,966.44
Step by Step Solution
- Step 1: Write the proportion equation
73,364.75 : 101,243.36 = 39,830.75 : x - Step 2: Convert to fraction form
73,364.75/101,243.36 = 39,830.75/x - Step 3: Cross multiply
73,364.75x = 101,243.36 × 39,830.75 - Step 4: Simplify right side
73,364.75x = 4,032,598,961.32 - Step 5: Solve for x
x = 4,032,598,961.32/73,364.75 - Step 6: Final answer
x = 54,966.44
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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.