Finding the Fourth Proportional to 83,983.04, 116,007.36 and 62,725.44
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Solution
The fourth proportional to 83,983.04, 116,007.36 and 62,725.44 is: 86,643.84
Step by Step Solution
- Step 1: Write the proportion equation
83,983.04 : 116,007.36 = 62,725.44 : x - Step 2: Convert to fraction form
83,983.04/116,007.36 = 62,725.44/x - Step 3: Cross multiply
83,983.04x = 116,007.36 × 62,725.44 - Step 4: Simplify right side
83,983.04x = 7,276,612,699.24 - Step 5: Solve for x
x = 7,276,612,699.24/83,983.04 - Step 6: Final answer
x = 86,643.84
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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.