Finding the Fourth Proportional to 73,473.90, 101,394.99 and 39,940.62
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Solution
The fourth proportional to 73,473.90, 101,394.99 and 39,940.62 is: 55,118.60
Step by Step Solution
- Step 1: Write the proportion equation
73,473.90 : 101,394.99 = 39,940.62 : x - Step 2: Convert to fraction form
73,473.90/101,394.99 = 39,940.62/x - Step 3: Cross multiply
73,473.90x = 101,394.99 × 39,940.62 - Step 4: Simplify right side
73,473.90x = 4,049,778,765.49 - Step 5: Solve for x
x = 4,049,778,765.49/73,473.90 - Step 6: Final answer
x = 55,118.60
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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.