Finding the Fourth Proportional to 73,053.99, 100,809.74 and 40,791.65
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Solution
The fourth proportional to 73,053.99, 100,809.74 and 40,791.65 is: 56,289.81
Step by Step Solution
- Step 1: Write the proportion equation
73,053.99 : 100,809.74 = 40,791.65 : x - Step 2: Convert to fraction form
73,053.99/100,809.74 = 40,791.65/x - Step 3: Cross multiply
73,053.99x = 100,809.74 × 40,791.65 - Step 4: Simplify right side
73,053.99x = 4,112,195,228.60 - Step 5: Solve for x
x = 4,112,195,228.60/73,053.99 - Step 6: Final answer
x = 56,289.81
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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.