Finding the Fourth Proportional to 73,110.80, 100,908.93 and 46,289.09
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Solution
The fourth proportional to 73,110.80, 100,908.93 and 46,289.09 is: 63,889.09
Step by Step Solution
- Step 1: Write the proportion equation
73,110.80 : 100,908.93 = 46,289.09 : x - Step 2: Convert to fraction form
73,110.80/100,908.93 = 46,289.09/x - Step 3: Cross multiply
73,110.80x = 100,908.93 × 46,289.09 - Step 4: Simplify right side
73,110.80x = 4,670,982,542.57 - Step 5: Solve for x
x = 4,670,982,542.57/73,110.80 - Step 6: Final answer
x = 63,889.09
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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.