Finding the Fourth Proportional to 83,388.26, 115,075.88 and 45,147.84
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Solution
The fourth proportional to 83,388.26, 115,075.88 and 45,147.84 is: 62,304.06
Step by Step Solution
- Step 1: Write the proportion equation
83,388.26 : 115,075.88 = 45,147.84 : x - Step 2: Convert to fraction form
83,388.26/115,075.88 = 45,147.84/x - Step 3: Cross multiply
83,388.26x = 115,075.88 × 45,147.84 - Step 4: Simplify right side
83,388.26x = 5,195,426,930.13 - Step 5: Solve for x
x = 5,195,426,930.13/83,388.26 - Step 6: Final answer
x = 62,304.06
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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.