Finding the Fourth Proportional to 83,192.75, 114,805.99 and 45,467.00
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Solution
The fourth proportional to 83,192.75, 114,805.99 and 45,467.00 is: 62,744.45
Step by Step Solution
- Step 1: Write the proportion equation
83,192.75 : 114,805.99 = 45,467.00 : x - Step 2: Convert to fraction form
83,192.75/114,805.99 = 45,467.00/x - Step 3: Cross multiply
83,192.75x = 114,805.99 × 45,467.00 - Step 4: Simplify right side
83,192.75x = 5,219,883,259.63 - Step 5: Solve for x
x = 5,219,883,259.63/83,192.75 - Step 6: Final answer
x = 62,744.45
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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.