Finding the Fourth Proportional to 83,279.14, 124,967.58 and 30,725.26
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Solution
The fourth proportional to 83,279.14, 124,967.58 and 30,725.26 is: 46,105.92
Step by Step Solution
- Step 1: Write the proportion equation
83,279.14 : 124,967.58 = 30,725.26 : x - Step 2: Convert to fraction form
83,279.14/124,967.58 = 30,725.26/x - Step 3: Cross multiply
83,279.14x = 124,967.58 × 30,725.26 - Step 4: Simplify right side
83,279.14x = 3,839,661,387.07 - Step 5: Solve for x
x = 3,839,661,387.07/83,279.14 - Step 6: Final answer
x = 46,105.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.